Blog Archive

64-Bit Windows (x64)

64 Bit: The Final Frontier – Slides From my Presentation at PubForum

June 10, 2010 | 0 comments
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.NET Applications on Windows x64 – Easy? Yes and No

March 2, 2010 | 1 comments
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x64 Divided by Two is NOT x32!

July 25, 2009 | 2 comments
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Where is the Hosts File on Windows x64?

June 4, 2009 | 19 comments
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Registry Reflection in Windows 7 and Server 2008 R2 x64? Gone for Good!

March 8, 2009 | 3 comments
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x64? My Terminal Servers Run Just Fine With 32 Bits and 8/12/16 GB RAM!

May 25, 2008 | 5 comments
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Windows x64 – All the Same Yet Very Different, Part 7: File System and Registry Redirection, Registry Reflection

April 20, 2008 | 3 comments
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Windows x64 – All the Same Yet Very Different, Part 6: COM, DLLs and Processes

April 2, 2008 | 1 comments
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Windows x64 – All the Same Yet Very Different, Part 5: NTVDM, Services, WoW64

March 11, 2008 | 4 comments
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Windows x64 – All the Same Yet Very Different, Part 4: Code Trees, Drivers

February 20, 2008 | 10 comments
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Windows x64 – All the Same Yet Very Different, Part 3: CPUs, AMD64, Intel 64, EM64T, Itanium

February 5, 2008 | 4 comments
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Windows x64 – All the Same Yet Very Different, Part 2: Kernel Memory, /3GB, PTEs, (Non-) Paged Pool

January 23, 2008 | 7 comments
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Windows x64 – All the Same Yet Very Different, Part 1: Virtual Memory

January 9, 2008 | 10 comments
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Citrix / Terminal Services / Remote Desktop Services

Leaked Token Handles Preventing RDS Session ID Reuse

April 6, 2017 | 0 comments
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VMware Horizon in a Lab: Getting Rid of SSL Errors

February 17, 2016 | 0 comments
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Citrix Synergy 2016 Call for Topics: Get Rid of the Video Requirement (Open Letter)

October 5, 2015 | 0 comments
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Citrix XenApp/XenDesktop API Hooking Explained

October 2, 2015 | 6 comments
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Citrix Desktop Viewer Screen Resolution and Window Size

May 4, 2015 | 0 comments
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Citrix XenApp 7.6 Logon Slow – Long Black Screen Phase

April 27, 2015 | 40 comments
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XenDesktop 7.6 VDA CPU & Memory Footprint

October 22, 2014 | 4 comments
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Which Version of Citrix GoToMeeting Are You Running?

October 14, 2014 | 8 comments
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Is my App Running on Citrix XenDesktop/XenApp?

August 6, 2014 | 5 comments
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Citrix ShareFile Sync on a New Computer with Existing Data

July 10, 2014 | 2 comments
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Solved: Citrix Desktop Service Fails to Start, Logs Event 1006

March 12, 2014 | 0 comments
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Configuring Citrix ShareFile Sync from PowerShell

January 21, 2014 | 4 comments
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Persistent VDI in the Real World – Sizing

January 7, 2014 | 2 comments
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Persistent VDI in the Real World – Storage

December 5, 2013 | 4 comments
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Persistent VDI in the Real World – Architecture

November 20, 2013 | 1 comments
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Shutting Down Unused Persistent XenDesktop VMs

October 16, 2013 | 6 comments
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Script: Gracefully Shut Down all VMs on a Given Set of Hosts (VMware/XenDesktop)

September 11, 2013 | 3 comments
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How WinPE 4.0 Breaks ICA Connections

August 23, 2013 | 2 comments
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Contest: Why Is This Desktop Empty?

August 9, 2013 | 6 comments
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How-to: XenApp/RDS Sizing and Capacity Planning with uberAgent for Splunk

July 25, 2013 | 0 comments
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Comparing the CPU Performance of Physical and Virtual PCs (VDI)

July 17, 2013 | 6 comments
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The Effects of HP’s Power Profile on vCPU Performance

May 28, 2013 | 6 comments
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Getting USB Smart Card Readers to Work with Citrix XenDesktop

April 10, 2013 | 21 comments
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XenDesktop Logon Failure: Desktop Viewer Pops up and Closes

March 6, 2013 | 5 comments
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XenApp and RDS Sizing Part 4 – Calculating the New Farm’s Capacity

January 9, 2013 | 0 comments
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Batch Delete Issued Citrix User/Device Licenses with Udadmin

December 12, 2012 | 14 comments
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XenApp and RDS Sizing Part 3 – Determining Farm Load

November 21, 2012 | 4 comments
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XenApp and RDS Sizing Part 2 – Determining Farm Capacity

October 10, 2012 | 2 comments
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XenApp and RDS Sizing Part 1 – Methodology

September 26, 2012 | 0 comments
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Do Shadow Keys Still Work in Server 2008 R2?

March 20, 2012 | 8 comments
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Entrepreneurship

Gründung eines (Software-) Unternehmens – Einzelunternehmen, UG oder GmbH?

November 15, 2011 | 0 comments
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How to Build a Software Company

October 19, 2011 | 1 comments
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Starting Up

October 3, 2011 | 3 comments
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Hardware

The Perfect Workstation: Fujitsu Celsius J550

November 23, 2016 | 0 comments
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Lenovo Yoga 900: SSD Upgrade & Clean Windows Installation

June 6, 2016 | 16 comments

Customizing and Installing the Lenovo W540

June 17, 2014 | 11 comments
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Finding the Perfect Laptop, 2014 Edition

May 29, 2014 | 5 comments
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Comparing the CPU Performance of Physical and Virtual PCs (VDI)

July 17, 2013 | 6 comments
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The Effects of HP’s Power Profile on vCPU Performance

May 28, 2013 | 6 comments
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Clean Install of Windows 8 on Sony Vaio S15

December 20, 2012 | 19 comments
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Lenovo T520 Maximum Memory: Not 8, But 16 GB!

December 6, 2012 | 17 comments
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Choosing a Laptop, 2012 Edition

November 1, 2012 | 5 comments
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Recommendation for a USB 3.0 JBOD Enclosure

June 5, 2012 | 3 comments
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Building a Low Power, High Capacity Home File Server

March 12, 2012 | 6 comments
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Tuning the Lenovo T520 – Upgrading Memory and Installing an mSATA SSD

September 22, 2011 | 19 comments
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Finding the Perfect Laptop Computer

September 19, 2011 | 3 comments
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Helge's Tools

Delprof2 & SetACL Studio Free for Commercial Use

January 11, 2017 | 9 comments
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FileIOTest – Times the Duration of File IO Operations

August 5, 2015 | 1 comments
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The SetACL Shirt Shop Has Opened

September 24, 2012 | 0 comments
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Finding and Removing Orphaned SIDs in File Permissions, or: Busting the Ghosts Built Into Windows 7

July 24, 2012 | 10 comments
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HowTo: ReACLing a File Server in a Domain Migration with SetACL 3.0

July 11, 2012 | 13 comments
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Half a Million Downloads of SetACL

February 21, 2012 | 0 comments
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How to Easily Monitor System Performance with the new DiskLED 1.1

November 18, 2009 | 11 comments
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DiskLED – A Flexible Hard Disk and General System Activity Indicator System Tray Applet

October 19, 2009 | 16 comments
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ParseCitrixLicense Now Supports XenDesktop Licenses, Too

August 2, 2008 | 0 comments
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Free Tool to Help You Better Understand What is Inside a Citrix License File

June 25, 2008 | 4 comments
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Free Tool – List Registry Links (REG_LINK)

May 4, 2008 | 5 comments
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Free Tool: Refresh the Desktop Programmatically

November 22, 2007 | 9 comments
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Miscellaneous

Recurring Checklists from Templates the Podio Way

June 30, 2017 | 0 comments
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Keyboard Shortcuts You’ll Never Want to Miss Again

November 2, 2016 | 0 comments
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Converting Mercurial Repositories to Git on Windows

June 3, 2015 | 7 comments
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All You (N)ever Wanted to Know about Logon & Group Policy Performance

May 8, 2015 | 5 comments
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VMware vExpert Award

February 12, 2015 | 0 comments
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VCNRW – Your Friendly Local Virtualization Community

September 24, 2014 | 0 comments
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Real-World Example: WiX/MSI Application Installer

September 11, 2014 | 13 comments
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Conferences and Community Meetings I Attend(ed) 2014

August 13, 2014 | 0 comments
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Block-Based Encrypted Cloud Backup with Duplicati 2.0

February 18, 2014 | 3 comments
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Conferences 2012 and Beyond

January 2, 2013 | 0 comments
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Show Me Your Start Menu and I’ll Tell You Who You Are

October 17, 2012 | 7 comments
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Knowledge Base Gems

October 5, 2012 | 0 comments
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Speaking Engagements 2012

March 6, 2012 | 0 comments
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Solved: “Other” Eating Up Gigabytes of iPad Storage

February 27, 2012 | 17 comments
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Geek Fashion

January 27, 2012 | 0 comments
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How I Do Off-Site Cloud Backup

November 9, 2011 | 4 comments
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How to Avoid Data Roaming in the US with Prepaid Data SIM

May 24, 2011 | 2 comments
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Migrating from Blogger to Custom Domain on WordPress Without Losing PageRank

June 19, 2010 | 2 comments
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New Articles, Tools, Tips and Tricks: Windows (7 and 2008 R2), PowerShell and Citrix

February 11, 2010 | 8 comments
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VXI: How a Customer With Real Scalability Problems Uses Virtualization

December 14, 2009 | 0 comments
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My Take on ChromeOS? It will be Successful when End Users can Manage their Photos and Music in the Cloud

November 23, 2009 | 0 comments
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On the Usefulness of self-extracting Archives

October 21, 2009 | 0 comments
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Which Image File Format (GIF/PNG/JPG) to Choose – a Consultant's Answer

August 25, 2009 | 3 comments
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Moving the Firefox Cache Directory and Profile Separately

August 24, 2009 | 0 comments
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Programming Sins Regarding the Registry (Using the Example of Microsoft Excel)

August 13, 2009 | 1 comments
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I Was Interviewed – Twice

August 7, 2009 | 1 comments
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Hear Me Speak and Talk to Me

June 8, 2009 | 0 comments
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Tales from the Crypt – EFS and the Upgrade to Windows 7 RC

May 12, 2009 | 0 comments
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You’ll Know Me by My Shirt at Citrix iForum / Synergy / Summit 2009

April 29, 2009 | 1 comments
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New sepago blog on SCCM (German!)

March 19, 2009 | 0 comments
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Networking

What DNS Pointer Records and Tweetups Have in Common

June 12, 2014 | 0 comments
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Now you can PROVE that it’s not Citrix but the backend!

June 5, 2014 | 0 comments
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Windows Offline Files: Problems and Solutions

March 27, 2013 | 7 comments
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Performance Impact of Windows Offline Files

February 6, 2013 | 2 comments
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Windows Offline Files Survival Guide

April 3, 2012 | 37 comments
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Windows 7 IPv6 in Enterprise Environments

January 10, 2012 | 2 comments
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Performance / Sizing

Comparison: CPU & GPU Usage of 4 Browsers

June 27, 2016 | 1 comments
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How Group Policy Impacts Logon Performance #4: Citrix Policies

February 23, 2016 | 0 comments
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Why Sizing for Averages is a Bad Idea

February 4, 2016 | 0 comments
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How Group Policy Impacts Logon Performance #3: WMI Filters & ILT

January 19, 2016 | 5 comments
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How Group Policy Impacts Logon Performance #2: Internals

December 8, 2015 | 1 comments
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How Group Policy Impacts Logon Performance #1: CSEs

November 25, 2015 | 5 comments
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Performance Footprint of PowerShell Logon Scripts

September 7, 2015 | 8 comments
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FileIOTest – Times the Duration of File IO Operations

August 5, 2015 | 1 comments
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Impact of GPU Acceleration on Browser CPU Usage

December 10, 2014 | 7 comments
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GPU Acceleration and Battery Life During Video Playback on Windows 8.1

February 12, 2014 | 0 comments
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How-to: XenApp/RDS Sizing and Capacity Planning with uberAgent for Splunk

July 25, 2013 | 0 comments
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Comparing the CPU Performance of Physical and Virtual PCs (VDI)

July 17, 2013 | 6 comments
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Remarks on Windows Disk and File IO During System Boot

July 10, 2013 | 0 comments
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Analyzing a Slow Boot with Windows Performance Recorder & Analyzer

July 2, 2013 | 2 comments
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Monitor Boot Performance and Find the Cause for Delays with uberAgent for Splunk

June 26, 2013 | 0 comments
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The Effects of HP’s Power Profile on vCPU Performance

May 28, 2013 | 6 comments
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Monitoring Browser Performance per Site with uberAgent for Splunk

May 7, 2013 | 0 comments
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What are Slow Logons and Where Do They Come From?

April 17, 2013 | 0 comments
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The Impossibility of Measuring IOPS (Correctly)

March 13, 2013 | 2 comments
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Login VSI: Custom Command Line with CSV File for RDP Connections

February 20, 2013 | 1 comments
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Performance Impact of Windows Offline Files

February 6, 2013 | 2 comments
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XenApp and RDS Sizing Part 4 – Calculating the New Farm’s Capacity

January 9, 2013 | 0 comments
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XenApp and RDS Sizing Part 3 – Determining Farm Load

November 21, 2012 | 4 comments
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XenApp and RDS Sizing Part 2 – Determining Farm Capacity

October 10, 2012 | 2 comments
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XenApp and RDS Sizing Part 1 – Methodology

September 26, 2012 | 0 comments
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Benchmarking Windows 7 Offline Files Transparent Caching

June 26, 2012 | 0 comments
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Benchmarking a $11,699 HP Enterprise Performance SSD

May 30, 2012 | 7 comments
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Windows 8 Storage Spaces – a First(-Hand) Look at Performance

March 14, 2012 | 4 comments
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What Remains of Magic Speed Improvements

February 13, 2012 | 3 comments
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Solved: Firefox Freezes Every 10 Seconds, Scrolling is Jumpy

December 20, 2010 | 6 comments
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Permissions

How to Determine the Size of the System Volume Information Directory

January 11, 2013 | 4 comments
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Windows 7 Default HKCU Registry Permissions

September 4, 2012 | 0 comments
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Windows 7 Default File System Permissions Listing

August 14, 2012 | 4 comments
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Solved: Disabling the BitLocker Service via GPP Fails

April 17, 2012 | 0 comments
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Photography

How to Convert Videos from Panasonic’s Lumix DMC-TZ7 from MOV to MPEG-2

September 14, 2009 | 0 comments
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How to Easily Fix Wrong Timestamps on Files from your Digital Camera

August 1, 2009 | 1 comments
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Canon EOS 350D and Windows 7 x64 – Where are the Drivers, Canon?

August 1, 2009 | 311 comments
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MEncode.cmd Now Supports Wildcards

January 12, 2009 | 0 comments
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How to Convert Quicktime MOV Video Files to MPEG-2

November 5, 2008 | 43 comments
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Programming

You’ve Got a New Verisign Authenticode Certificate – Now What?

March 9, 2012 | 6 comments
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DsGetDcName Timeout

July 1, 2011 | 0 comments
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How to Map Generic Rights to Standard and Specific Rights

September 17, 2010 | 1 comments
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What is the SYNCHRONIZE File Access Right?

August 23, 2010 | 0 comments
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EFS Encryption and CopyFile(Ex): Why DIY is Better

July 12, 2010 | 0 comments
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How to Enable Drag and Drop for an Elevated MFC Application on Vista/Windows 7

March 28, 2010 | 19 comments
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Deploying Visual C++ Runtime Files as Private Assemblies

March 3, 2010 | 6 comments
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Visual Studio: Adding DLL References Whose Version Changes Frequently

February 18, 2010 | 0 comments
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Visual Studio: Fixing Broken $(WindowsSdkDir) Variable

January 19, 2010 | 4 comments
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Found my first bug in Windows 7 APIs: PdhBrowseCounters requires Elevation

October 27, 2009 | 1 comments
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Radio Buttons in MFC (Visual Studio 2008 / C++)

October 24, 2009 | 5 comments
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Scripting

Performance Footprint of PowerShell Logon Scripts

September 7, 2015 | 8 comments
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Recursively Setting Directory Attributes in PowerShell

May 21, 2015 | 0 comments
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Extracting all Email Addresses from a GMail Label

February 19, 2015 | 47 comments
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Creating Realistic Test User Accounts in Active Directory

February 10, 2015 | 19 comments
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Vendors: Why We Do Not Need Your PowerShell SDKs

November 7, 2014 | 1 comments
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What I Hate About PowerShell

November 5, 2014 | 34 comments
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Configuring Citrix ShareFile Sync from PowerShell

January 21, 2014 | 4 comments
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Shutting Down Unused Persistent XenDesktop VMs

October 16, 2013 | 6 comments
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Script: Gracefully Shut Down all VMs on a Given Set of Hosts (VMware/XenDesktop)

September 11, 2013 | 3 comments
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Script: Add all Virtual Machines in the Data Store to the Inventory (VMware)

August 1, 2013 | 6 comments
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What’s Missing in PowerShell 3 ISE

September 12, 2012 | 3 comments
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Quickest Way to Create Text File of Specific Length

August 21, 2011 | 13 comments
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PowerShell Script Switches Printer Configurations Between Sites

June 22, 2011 | 1 comments
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Parsing Dates in Batch Files & Regional Settings / Locale

February 2, 2011 | 1 comments
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How to Generate Directory Listing with Full Path from Batch

August 3, 2010 | 2 comments
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Syntax Highlighting PowerShell Code in HTML – With a PowerShell Script

January 18, 2010 | 4 comments
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How to List All Installed Applications From the Command Line

January 14, 2010 | 8 comments
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PowerShell Script Lists App-V Package Dependencies (Dynamic Suite Composition, DSC)

January 6, 2010 | 5 comments
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How to Determine the Windows Installation Date with and without PowerShell

September 24, 2009 | 3 comments
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Useful PowerShell Scriptlets for Files and Folders

September 15, 2009 | 2 comments
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Puzzle: Delete Directory Content Without Deleting the Directory Itself (on the Command Line)

August 5, 2009 | 9 comments
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How to Find and List Unsigned Executable Files

May 4, 2009 | 0 comments
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How to Run Console Programs Without a Console Window

August 15, 2008 | 1 comments
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Security

Disabling Azure Active Directory Password Expiration

January 25, 2017 | 0 comments
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Thoughts on Cloud File Synchronization Security

February 3, 2015 | 9 comments
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Remote Management of Windows PCs in an Isolated Security Zone

January 15, 2014 | 3 comments
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Workaround: “554 rejected due to spam content” sending e-mail

November 14, 2013 | 17 comments
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How to Determine the Size of the System Volume Information Directory

January 11, 2013 | 4 comments
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AppLocker – Solutions to Common Problems

August 22, 2012 | 2 comments
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AppLocker – Security Problems

August 7, 2012 | 1 comments
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AppLocker – Fact Sheet

July 18, 2012 | 0 comments
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How to Make Google Chrome Search via SSL/HTTPS by Default

February 1, 2012 | 1 comments
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Analysis: Require Domain Controller Authentication to Unlock Workstation

January 26, 2012 | 0 comments
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WLAN Security – Beware of (Unknown) Wi-Fi Hotspots

January 3, 2012 | 0 comments
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Does a Self-Respecting IT Pro Need Antivirus?

October 13, 2011 | 1 comments
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Taking Ownership Fails With UNC Path, Works Locally!?! Why?

July 28, 2010 | 3 comments
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How Forcing Password Changes Actually Weakens Security

June 22, 2009 | 4 comments
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Do You Still Hide Your Share$?

March 1, 2009 | 1 comments
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SetACL Studio

Delprof2 & SetACL Studio Free for Commercial Use

January 11, 2017 | 9 comments
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How to Determine the Size of the System Volume Information Directory

January 11, 2013 | 4 comments
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Permissions Windows Does Not Show You

January 19, 2012 | 0 comments
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SetACL Studio Raffle: Results and Quotes

September 8, 2011 | 0 comments
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SetACL Studio – The Beta is Here

August 3, 2011 | 3 comments
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Announcing SetACL Studio – The Power of SetACL in a Great UI

June 15, 2011 | 6 comments
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Splunk

Troubleshooting Splunk Error “Search Process Did Not Exit Cleanly”

July 20, 2017 | 0 comments
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Why Sizing for Averages is a Bad Idea

February 4, 2016 | 0 comments
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Splunk Accelerated Data Models – Part 3

November 5, 2015 | 1 comments
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Splunk Accelerated Data Models – Part 2

October 29, 2015 | 0 comments
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Splunk Accelerated Data Models – Part 1

October 22, 2015 | 0 comments
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Splunk Scripted Input Secrets

March 11, 2015 | 1 comments
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Turning Splunk into a Systems Management Tool

January 22, 2015 | 0 comments
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Splunk Revolution Award

October 7, 2014 | 0 comments
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What is Splunk and How Does it Work?

September 3, 2014 | 16 comments
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Splunk App Development Tips – Working with Splunk

July 24, 2014 | 0 comments
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Splunk App Development Tips – Which App Type to Choose

July 16, 2014 | 0 comments
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Some of the Best Splunk Marketing Slogans Extracted from Splunk.exe

March 25, 2014 | 6 comments
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How to Send Data from C# to Splunk via the REST API

January 30, 2014 | 4 comments
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uberAgent with Citrix XenApp and Microsoft RDS: The Video

October 29, 2013 | 0 comments
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How to Process Terabytes – per Day (or: my account of Splunk .conf 2013)

October 9, 2013 | 0 comments
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Boot IO Analysis with uberAgent for Splunk 1.5

August 16, 2013 | 0 comments
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How-to: XenApp/RDS Sizing and Capacity Planning with uberAgent for Splunk

July 25, 2013 | 0 comments
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Monitoring Browser Performance per Site with uberAgent for Splunk

May 7, 2013 | 0 comments
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Storage

FileIOTest – Times the Duration of File IO Operations

August 5, 2015 | 1 comments
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The Unofficial Atlantis Ilio FAQ

October 2, 2013 | 4 comments
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Recommendation for a USB 3.0 JBOD Enclosure

June 5, 2012 | 3 comments
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Windows 8 Storage Spaces: Bugs and Design Flaws

March 26, 2012 | 41 comments
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Windows 8 Storage Spaces – a First(-Hand) Look at Performance

March 14, 2012 | 4 comments
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Building a Low Power, High Capacity Home File Server

March 12, 2012 | 6 comments
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Tips and Tricks, New Articles and Tools

FastCopy – Free File Copy Tool Runs Circles Around Explorer

May 31, 2011 | 4 comments
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Registry Tricks

June 21, 2010 | 1 comments
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New Articles, Tools, Tips and Tricks: Office 2010, RDS/XenApp, Windows, Web

April 20, 2010 | 0 comments
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New Articles, Tools, Tips and Tricks: Windows, Hyper-V, Citrix, PowerShell and Application Streaming / App-V

November 25, 2009 | 0 comments
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New Articles, Tools, Tips and Tricks: Bugs, Annoyances, PowerShell and some other Stuff

September 21, 2009 | 0 comments
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New Web Content Actually Worth Reading (August 2009)

August 20, 2009 | 0 comments
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New Web Content Actually Worth Reading (June 2009)

June 9, 2009 | 0 comments
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File Copy Performance to USB Drive Oscillating Between Fast and Slow

May 26, 2009 | 3 comments
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Cleaning up the Mess Left Behind by Multiple EFS Certificates

May 13, 2009 | 3 comments
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How to Prevent Users from Changing Permissions on File Servers

January 9, 2009 | 0 comments
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Troubleshooting

Streamed Video Audio Sync Problems on Windows 10 / Realtek Sound

March 28, 2017 | 18 comments
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Error Connecting to C$: Device Attached to the System is not Functioning

April 16, 2014 | 0 comments
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Solved: Citrix Desktop Service Fails to Start, Logs Event 1006

March 12, 2014 | 0 comments
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Workaround for Unexpected Error in PowerCfg -SleepStudy

March 4, 2014 | 6 comments
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Race Condition – a Troubleshooting Tale

February 25, 2014 | 0 comments
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How WinPE 4.0 Breaks ICA Connections

August 23, 2013 | 2 comments
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Windows Update Error 80072EFE in Client Hyper-V Guest

January 23, 2013 | 3 comments
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Solution to “Windows Cannot be Installed to this Disk”

November 14, 2012 | 0 comments
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Solved: Deleting Copied Executable Files Fails – Temporarily

May 16, 2012 | 0 comments
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How to Troubleshoot Failed MSI Installs

February 16, 2012 | 0 comments
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uberAgent

Why Sizing for Averages is a Bad Idea

February 4, 2016 | 0 comments
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All You (N)ever Wanted to Know about Logon & Group Policy Performance

May 8, 2015 | 5 comments
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What’s New in uberAgent 3.0

April 13, 2015 | 0 comments
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Upcoming uberAgent Webinars in English and German

January 29, 2015 | 4 comments
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What’s New in uberAgent 2.1

December 16, 2014 | 0 comments
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What’s New in uberAgent 2.0

September 17, 2014 | 0 comments
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What is Splunk and How Does it Work?

September 3, 2014 | 16 comments
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What DNS Pointer Records and Tweetups Have in Common

June 12, 2014 | 0 comments
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Now you can PROVE that it’s not Citrix but the backend!

June 5, 2014 | 0 comments
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Race Condition – a Troubleshooting Tale

February 25, 2014 | 0 comments
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GPU Acceleration and Battery Life During Video Playback on Windows 8.1

February 12, 2014 | 0 comments
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Monitoring any Application’s Startup Duration with uberAgent 1.6

November 26, 2013 | 0 comments
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uberAgent with Citrix XenApp and Microsoft RDS: The Video

October 29, 2013 | 0 comments
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uberAgent Now Monitors RES Workspace Manager Logon Times, Too

September 25, 2013 | 2 comments
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Boot IO Analysis with uberAgent for Splunk 1.5

August 16, 2013 | 0 comments
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How-to: XenApp/RDS Sizing and Capacity Planning with uberAgent for Splunk

July 25, 2013 | 0 comments
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Monitor Boot Performance and Find the Cause for Delays with uberAgent for Splunk

June 26, 2013 | 0 comments
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Monitoring Browser Performance per Site with uberAgent for Splunk

May 7, 2013 | 0 comments
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What are Slow Logons and Where Do They Come From?

April 17, 2013 | 0 comments
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Application Usage Metering with uberAgent for Splunk

March 20, 2013 | 0 comments
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The Impossibility of Measuring IOPS (Correctly)

March 13, 2013 | 2 comments
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uberAgent for Splunk is Here

February 27, 2013 | 0 comments
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uberAgent for Splunk: User Experience

February 13, 2013 | 0 comments
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uberAgent for Splunk: Dynamic Application Identification

January 30, 2013 | 0 comments
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Introducing uberAgent for Splunk

January 17, 2013 | 8 comments
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User Profiles

Windows 10 Roaming Profile: Sharing Violation Every 2nd Logon

April 14, 2016 | 24 comments
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Microsoft Windows Enterprise State Roaming – First Thoughts

February 6, 2016 | 0 comments
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Manual Folder Redirection with Symbolic Links

February 24, 2015 | 3 comments
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Determining the Size of a Folder without Access or Permissions

April 30, 2014 | 2 comments
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Migrating from Citrix UPM back to Roaming Profiles

April 9, 2014 | 0 comments
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Error Message Explained: User Profile Service Failed the Logon

September 18, 2013 | 67 comments
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Citrix Profile Management Architecture – Why it is Not Based on a Mandatory Profile Any More

December 4, 2012 | 3 comments
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Walkthrough: Creating a UE-V Settings Location Template

April 12, 2012 | 4 comments
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Microsoft User Experience Virtualization (UE-V): Facts and Review

April 5, 2012 | 28 comments
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How to Configure a File Server for Hosting User Profiles

December 22, 2011 | 8 comments
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Customizing the Default Profile

December 7, 2011 | 7 comments
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Temporary User Profiles

November 29, 2011 | 3 comments
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Folder Redirection – Denial of Service Waiting to Happen

November 1, 2011 | 7 comments
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Helge’s Profile Toolkit

May 9, 2011 | 3 comments
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Differences Between Citrix Profile Management and Immidio Flex Profiles

April 25, 2011 | 0 comments
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Why User Profiles Always Get Bigger, Never Smaller: Installers

March 18, 2011 | 0 comments
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I Did Not Expect the Wilderness to be so … Wild

February 28, 2011 | 0 comments
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Mandatory Profiles – Insecure by Default?

December 13, 2010 | 0 comments
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USMT and Beyond – Practical Tips for Your Migration

December 3, 2010 | 1 comments
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Can I Use the Same User Profile on 32-bit and 64-bit Windows?

October 19, 2010 | 0 comments
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User Profiles Inside Out – Slides from my Presentation at PubForum

October 8, 2010 | 0 comments
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Free Script: User Profile Domain Migration with SetACL

August 4, 2010 | 3 comments
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Should AppData be Redirected or Left in the User Profile?

May 31, 2010 | 7 comments
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New OS = New Profile = User State Lost. True or False?

May 5, 2010 | 0 comments
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Poll: Do Companies Use Local or Roaming Profiles for Desktop PCs?

March 4, 2010 | 3 comments
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Citrix User Profile Manager 5 Years Ago: Birth

February 25, 2010 | 0 comments
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Are Mandatory User Profiles Deleted at Logoff – or Cached?

January 24, 2010 | 0 comments
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Fixing Office 2007’s Quick Access Toolbars With Citrix User Profile Manager

December 9, 2009 | 1 comments
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Should Roaming User Profiles Be Backed Up?

December 4, 2009 | 0 comments
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Profile Hell – The Reality of Windows User Profiles

October 5, 2009 | 3 comments
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Virtualization

Faster Trimming & Compacting of Hyper-V Ubuntu VMs

November 10, 2016 | 0 comments
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Hyper-V on Hetzner’s EX51 Hosted Dedicated Servers

March 1, 2016 | 1 comments
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Compacting Hyper-V VHDX Files of Ubuntu Linux VMs

January 6, 2016 | 2 comments

Compacting Client Hyper-V VHDX Files

October 2, 2014 | 13 comments
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My Hyper-V Server in the Cloud

August 19, 2014 | 3 comments
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Windows 8 Client Hyper-V: Internet Access Without 2nd NIC

July 30, 2014 | 4 comments
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The Effects of HP’s Power Profile on vCPU Performance

May 28, 2013 | 6 comments
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Installing ESXi 4.1 on HP DL380 G8: No NICs Found

November 28, 2012 | 1 comments
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Removing “Eject VMware Virtual disk SCSI Disk Device”

April 25, 2012 | 11 comments
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Will We Use Cloud-Based Virtual Desktops in 2020?

July 9, 2010 | 0 comments
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Virtualization – Old Hat?

October 30, 2009 | 3 comments
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Virtualization? Nothing But Lies!

September 6, 2009 | 2 comments
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Is VMware Clustering / VMotion Complex Compared to Microsoft Failover Clustering?

April 30, 2009 | 13 comments
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VMotion Is Hyped by Consultants, But Do Admins Even Use It?

April 23, 2009 | 12 comments
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VMware vs. Microsoft: Why Memory Overcommitment is Useful in Production and Why Microsoft Denies it

September 25, 2008 | 7 comments
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Website

Upgrading Ubuntu 14.04 to 16.04 & PHP 5.6 to 7 for WordPress

February 22, 2017 | 0 comments
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Switching a WordPress Site From HTTP to HTTPS

January 15, 2015 | 2 comments
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WordPress Blog Comment Handling

December 27, 2014 | 5 comments
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My Beautifully Fast WordPress Webserver

August 27, 2014 | 8 comments
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The Sad State of Web Forums – and some Alternatives

November 6, 2012 | 0 comments
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Authentication Fails Trying to Send Mail via Google Apps SMTP from PHP

May 2, 2012 | 2 comments
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Working with the Amazon CloudFront CDN

September 7, 2011 | 3 comments
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How to Reduce Bandwidth Usage and Optimize Website Performance with W3 Total Cache and Amazon CloudFront

September 5, 2011 | 2 comments
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WordPress Author Page Not Found (Error 404) if Space in URL?

November 8, 2010 | 5 comments
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The Making of HelgeKlein.com, SetACL’s New Home

October 31, 2010 | 1 comments
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Windows General

What’s Wrong with Group Policy

June 15, 2016 | 1 comments
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Lenovo Yoga 900: SSD Upgrade & Clean Windows Installation

June 6, 2016 | 16 comments

Windows Keyboard Mapping with SharpKeys

January 28, 2015 | 9 comments
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Determining the Size of a Folder without Access or Permissions

April 30, 2014 | 2 comments
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Software Installation Very Slow without Internet Access

September 3, 2013 | 6 comments
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Why Every Self-Respecting Administrator Should Ditch Explorer For Good

April 24, 2013 | 11 comments
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Setting up Mobile Broadband (WWAN) on HP Elitebook 8560p

May 9, 2012 | 13 comments
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Dead Simple Wake-on-LAN for Your Windows Server at Home

March 22, 2012 | 8 comments
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How to Speed Up Your Windows 7 Boot Time by 20%

February 7, 2012 | 14 comments
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New File System ReFS in Windows 8: Quick Facts

January 17, 2012 | 1 comments
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How User Profiles Will Help Make Windows 8 a Success

September 29, 2011 | 0 comments
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Shortcut Magic

September 15, 2011 | 0 comments
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Officially Announced New Features in Windows 8 (Client and Server)

August 31, 2011 | 5 comments
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Locking Down Internet Explorer 8 with Group Policy

August 24, 2011 | 1 comments
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Access Denied Trying to Connect to Administrative Shares C$, D$ etc.

August 17, 2011 | 16 comments
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Missing Sharing Tab in Folder Properties on Windows 7

August 14, 2011 | 12 comments
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Dinosaurs on Your Hard Disk: Historical Files in Windows 7 Everybody Seems to Have Forgotten About

July 18, 2011 | 1 comments
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The Unmanageable File Server

May 5, 2011 | 1 comments
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How to Get Back Windows XP’s Fast Event Viewer in Windows 7

November 11, 2010 | 3 comments
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Where is the App Store for Windows? Why Microsoft Should Fear Developer Drain.

April 5, 2010 | 10 comments
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Eating Microsoft's Dog Food – A Self-Experiment With Windows 7, Part 3: Usage

March 25, 2009 | 1 comments
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Eating Microsoft's Dog Food – A Self-Experiment With Windows 7, Part 2: Installation

March 23, 2009 | 4 comments
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Eating Microsoft's Dog Food – A Self-Experiment With Windows 7, Part 1: Preparation

March 19, 2009 | 6 comments
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Undocumented Changes to the Cluster.exe Command Line Tool in Server 2008

June 16, 2008 | 0 comments
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Group Policy Preferences: Why Windows Server 2008 Will Change the Way You Work

November 27, 2007 | 1 comments
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Dirquota – Automagically Manage File System Quotas

October 24, 2007 | 3 comments
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Windows Server 2008 (R2) Component Posters

August 10, 2007 | 0 comments
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Windows Internals

Windows 10: Black Lock Screen with Citrix Receiver

February 13, 2017 | 19 comments
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Universal Windows App Data Storage for Admins

January 31, 2017 | 2 comments
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Citrix XenApp/XenDesktop API Hooking Explained

October 2, 2015 | 6 comments
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How to Enable BitLocker Hardware Encryption with SSDs

January 7, 2015 | 17 comments
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Measuring the Impact of Folder Redirection – Application Launch & SMB Version

December 2, 2014 | 0 comments
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Visualizing the Impact of Folder Redirection – Start Menu Search

November 12, 2014 | 7 comments
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How Folder Redirection Impacts UX & Breaks Applications

October 29, 2014 | 3 comments
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Remarks on Windows Disk and File IO During System Boot

July 10, 2013 | 0 comments
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Analyzing a Slow Boot with Windows Performance Recorder & Analyzer

July 2, 2013 | 2 comments
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Windows Offline Files: Problems and Solutions

March 27, 2013 | 7 comments
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Performance Impact of Windows Offline Files

February 6, 2013 | 2 comments
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How to Determine the Size of the System Volume Information Directory

January 11, 2013 | 4 comments
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Windows Offline Files Survival Guide

April 3, 2012 | 37 comments
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Get Rid of Active Setup

March 1, 2012 | 7 comments
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Access Based Enumeration on Windows 7

February 3, 2012 | 13 comments
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ShMgrate – An Analysis

January 23, 2012 | 1 comments
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Dissecting a Shortcut

September 12, 2011 | 1 comments
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Q&A: How to Modify Permissions on Administrative Shares

December 7, 2010 | 2 comments
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How the App Paths Registry Key Makes Windows Both Faster and Safer

August 26, 2010 | 2 comments
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How to Modify Default Share Permissions and Other Tweaks

July 23, 2010 | 1 comments
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Active Setup Explained

April 22, 2010 | 8 comments
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Which Software Installed That Driver – And When?

February 17, 2010 | 6 comments
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The 30 Second File Copy Bug, or: EFS = Bad Performance?

December 16, 2009 | 1 comments
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Registry Fun (Working With Hive Files)

August 12, 2009 | 1 comments
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Hard Links and Permissions / ACLs

May 14, 2009 | 0 comments
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Hard Links, Soft (Symbolic) Links and Junctions in NTFS: What Are They (For)?

April 19, 2009 | 9 comments
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Printer Driver Isolation in Windows 7 and Server 2008 R2

April 8, 2009 | 3 comments
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Permissions: A Primer, or: DACL, SACL, Owner, SID and ACE Explained

March 12, 2009 | 6 comments
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Internet Explorer in Protected Mode – How the Low Integrity Environment Gets Created

January 6, 2009 | 4 comments
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Why Disabling the Creation of 8.3 DOS File Names Will Not Improve Performance. Or Will It?

September 22, 2008 | 8 comments
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