Hi Paulo,

As for your .NET application, is there any particular operations that
involve some unmanaged component(through interop) which may cause resource
limitation? Based on my research, there are some such issue(performance hit
in terminal service environment) that caused by network or OS specific
problem. Here are some web document about terminal service specific issue:

#Windows Server 2003 Terminal Server Capacity and Scaling
http://www.microsoft.com/windowsserver2003/techinfo/overview/tsscaling.mspx

#TS + Citrix Troubleshooting
http://ts.veranoest.net/ts_performance.htm

You can have a look to see whether that help some.

Sincerely,

Steven Cheng

Microsoft MSDN Online Support Lead



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