Logon Archives • Helge Klein

How Group Policy Impacts Logon Performance #1: CSEs

This article is based on my Citrix Synergy 2015 session and is the first in a mini-series on Group Policy performance. All measurements by uberAgent on Windows Server 2012 R2 with Citrix XenApp 7.6 in a steady state.

Performance Footprint of PowerShell Logon Scripts

PowerShell is a popular and extremely versatile tool, but is it a good idea to use PowerShell in logon scripts? Let’s try to find out!

Citrix XenApp 7.6 Logon Slow – Long Black Screen Phase

Update 2015-04-28: Citrix provides the limited release hotfix ICATS760WX64009 that fixes this issue. More information below. During the research for my session about the XenApp 7.6 logon process, to be presented at Citrix Synergy and BriForum London, I noticed that the logon to my XenApp 7.6 lab server was taking a bit long. Longer, in […]

uberAgent Now Monitors RES Workspace Manager Logon Times, Too

Whether user profiles are loading slowly or group policy processing is taking too long – uberAgent for Splunk tells you exactly what is causing slow logons. uberAgent always supported a broad range of platforms, from physical PCs through virtual desktops to Citrix XenApp. Today we add RES Workspace Manager to that list!

Error Message Explained: User Profile Service Failed the Logon

This article is part of Helge’s Profile Toolkit, a set of posts explaining the knowledge and tools required to tame Windows user profiles. Many errors related to user profiles result in the user getting a temporary profile instead of the regular local or roaming profile. I have written about possible causes for that here. In […]

What are Slow Logons and Where Do They Come From?

Considering the importance of fast logons for a good user experience there is surprisingly little information on the subject. Windows does not even record the total logon time, let alone where it is spent. Administrators wishing to analyze their users’ logons are left in the dark. But that can be changed.

XenDesktop Logon Failure: Desktop Viewer Pops up and Closes

Know this problem? You try to start a XenDesktop session, Desktop Viewer opens … and closes. Then nothing.

Get Rid of Active Setup

Are you still using Active Setup to distribute per-user files or registry values? If so, stop! There are better ways to manage initial user settings.

Analysis: Require Domain Controller Authentication to Unlock Workstation

Among the many security options that are configurable via Group Policy, there is a setting Interactive logon: Require Domain Controller authentication to unlock workstation. For security reasons, this is often enabled. Let’s have a closer look at the implications. Those are different from what one might think because the name is a little misleading.

Folder Redirection – Denial of Service Waiting to Happen

This article is part of Helge’s Profile Toolkit, a set of posts explaining the knowledge and tools required to tame Windows user profiles. One of the problems inherent to roaming user profiles is that they are copied to the local computer during logon. That takes time. Hence the motivation to limit the size of user […]

Active Setup Explained

Taming Black Holes: Parallel Session Creation

Have you ever tried to log on to a terminal server and, after entering your credentials, been forced to stare at a grey screen for a lengthy period of time wondering what the machine might actually be doing? Of course you have, along with a few million other terminal server users. Being a technical guy […]

Tag: Logon

How Group Policy Impacts Logon Performance #1: CSEs

Performance Footprint of PowerShell Logon Scripts

Citrix XenApp 7.6 Logon Slow – Long Black Screen Phase

uberAgent Now Monitors RES Workspace Manager Logon Times, Too

Error Message Explained: User Profile Service Failed the Logon

What are Slow Logons and Where Do They Come From?

XenDesktop Logon Failure: Desktop Viewer Pops up and Closes

Get Rid of Active Setup

Analysis: Require Domain Controller Authentication to Unlock Workstation

Folder Redirection – Denial of Service Waiting to Happen

Active Setup Explained

Taming Black Holes: Parallel Session Creation