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Published application in Citrix running on VMware freezes when it accessed via ICA

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Symptoms

Published applications in Citrix may experience slow performance or hangs when connecting via ICA. This issue has been seen when running the server in VMWare and the host server uses multiple AMD processors. The issue may not occur with Intel processors or single processor systems. 

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Cause

The /UsePMTimer switch is set in the Boot.ini.

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Resolution

Remove the /UsePMTimer switch from the boot.ini of the virtual machine and reboot the server.

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More information

The following article discusses the /UsePMTimer switch in more detail:

895980 Programs that use the QueryPerformanceCounter function may perform poorly in Windows Server 2000, in Windows Server 2003, and in Windows XP
http://support.microsoft.com/default.aspx?scid=kb;EN-US;895980

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Keywords: KB2028365

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Article Info
Article ID : 2028365
Revision : 3
Created on : 6/18/2010
Published on : 6/18/2010
Exists online : False
Views : 165