OS Tuning

HTTP Default Icon issue

May 12, 2009

Sometimes you may find that the HTTP URL shortcut icon is “broken”; referencing %SystemRoot%\system32\SHELL32.dll,0 instead of %SystemRoot%\system32\url.dll,0. This is due to a bug that does not consistently set the default type and data for the HKEY_CLASSES_ROOT\HTTP\DefaultIcon value. When the icons are not displaying correctly, it will have a default value of type REG_SZ with Data […]

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Microsoft Windows 2003 Post-SP2 Hotfixes

May 15, 2008

Why should we apply hotfixes? Some IT Administrators take the approach that if they are not experiencing the issues/symptoms referred to in the knowledge base article; they shouldn’t be deploying the hotfix. However, from experience we understand that the vendor doesn’t always document all issues addressed, so there also needs to be an understanding of […]

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SMB Tuning

May 15, 2008

 Here are 3 good articles written by Michel Roth. Fileserving in Terminal Server Environments (Part 1) Fileserving in Terminal Server Environments (Part 2) Lanmanserver and Lanmanworkstation Tuning So how do you know if you have a problem? Well on the Terminal/Citrix servers you need to monitor the outstanding Redirector/Current Commands queue. The goal of a Terminal/Citrix […]

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Tuning and Tweaking Tips for Terminal/Citrix Server Environments

May 15, 2008

This is the essentially an index to some blogs and articles for tuning and tweaking Terminal / Citrix Server environments. I am doing this for a number of reasons…

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Processor Scheduling

May 13, 2008

Multi-tasking Operating Systems just give the illusion that they’re doing things in parallel. In reality, the CPUs rapidly skip from task to task using various algorithms and heuristics, making one think the processes truly are running simultaneously. The choice of scheduling algorithm can be immensely important.

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