Is Windows XP Pro not a good Hyper-V guest citizen?

Posted by Magnus on Server Fault See other posts from Server Fault or by Magnus
Published on 2009-12-23T08:17:16Z Indexed on 2010/03/13 18:05 UTC
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On my Windows Server 2008 R2 w. the Hyper-V role, I have these guest VMs:

  • 3 x Windows Server 2008 R2
  • 2 x Windows Server 2003 x86
  • 2 x Windows 7 x64
  • 1 x Windows XP Pro x86

In general, all machines are very fast and responsive. However, the Windows XP Pro guest is very sluggish. It can take up to 2 minutes to connect to the console/or a RD session. Sometimes it can "go into sleep" for several minutes. I have tried to add a 2nd CPU and more memory, but it doesn't help. When the issue happens, it's more or less impossible to get a responsive Task Manager up to analyze which process is hogging the CPU. But I have noticed that it can be various processes; lsass.exe, crss.exe etc.

Integration Services is installed. Microsoft Security Essentials is installed, but I have tried without it, no difference.

Any ideas?

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