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New Blog in Town

My colleague Nicholas Dille has started his own blog. Nicholas is a very clever guy whose opinion I value very much. I have often worked and laughed with him in […]

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by Helge on Nov 21, 2007
  • Miscellaneous

Why is (Almost) Everybody Wrong About HKU\.Default?

Most technical folks have stumbled across the registry hive HKEY_USERS\.Default at some point. Many of them think they know what it is used for. Interestingly, most who do are wrong. […]

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by Helge on Nov 19, 2007
  • User Profiles

Soup Up Your Terminal Server: Optimizing Explorer’s Network Performance

Update: The ADM file can now be downloaded here. I recently came across a post in the Windows Server Performance Team’s blog that lists several registry values which can be […]

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by Helge on Nov 7, 2007
  • Performance/Sizing

Dirquota – Automagically Manage File System Quotas

Did you know that Windows Server contains a file system quota component? “Of course”, you will say. It was introduced with Windows 2000 and is completely useless since it only […]

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by Helge on Oct 24, 2007
  • Windows General

Undocumented Program Neighborhood Command Line Switches

Nearly every professional working with Citrix Presentation Server knows about Program Neighborhood (PN), and some may even use it frequently. It was first introduced in MetaFrame 1.8 and is used […]

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by Helge on Oct 16, 2007
  • Citrix/Terminal Services/Remote Desktop Services

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 […]

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by Helge on Oct 2, 2007
  • Citrix/Terminal Services/Remote Desktop Services

ClearType Bandwidth Revisited – Testing 32 Bit Color Depth

In an earlier post I wrote about how bandwidth requirements of the RDP protocol are affected by enabling font smoothing (ClearType over RDP version 6) on Windows Server 2008. Jan, […]

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by Helge on Sep 19, 2007
  • Citrix/Terminal Services/Remote Desktop Services

Programmatically Determining Terminal Server Mode on Windows Server 2008

A question on the terminal services newsgroup brought this topic to my attention: how can be determined programmatically if a Windows Server 2008 system is a terminal server and whether […]

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by Helge on Sep 12, 2007
  • Citrix/Terminal Services/Remote Desktop Services

Bandwidth Requirements for ClearType over RDP

In an earlier post I wrote about a great technology that finally makes it into terminal services with Windows Server 2008: ClearType or Font Smoothing, as it is sometimes called. […]

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by Helge on Aug 19, 2007
  • Citrix/Terminal Services/Remote Desktop Services

Windows Server 2008 (R2) Component Posters

[Updated 2009-12-11 for Server 2008 R2] Microsoft has published two visually very appealing posters which depict in great detail important components of its upcoming OS Server 2008. The poster on […]

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by Helge on Aug 10, 2007
  • Windows General

Windows Server 2008: Architectural Changes Relevant to Terminal Services #2

This post covers a technology developed by Microsoft Research in the late 90s that finally made it into terminal services: ClearType. ClearType As is sometimes the case with technology, it […]

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by Helge on Aug 3, 2007
  • Citrix/Terminal Services/Remote Desktop Services

Windows Server 2008: Architectural Changes Relevant to Terminal Services #1

I will start this blog with a small series of posts that describe changes to the architecture of Windows Server 2008 that are relevant to Terminal Services.

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by Helge on Jul 30, 2007
  • Citrix/Terminal Services/Remote Desktop Services
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