2-23-09

After install Microsoft Windows Server 2003 Service Pack 2 (SP2) on your computer, you run processes that use performance counters. In this scenario, the following Warning event is logged in the Application log:

Event Source: PerflibEvent Type: WarningEvent ID: 2003Description: The configuration information of the performance library "C:\WINDOWS\system32\perfts.dll" for the "TermService" service does not match the trusted performance library information stored in the registry. The functions in this library will not be treated as trusted.

CAUSE
This problem occurs because the size and the date of the Perfts.dll file in Windows Server 2003 SP2 do not match the size and the date that were stored earlier in the registry for the Perfts.dll file .

RESOLUTION
To resolve this problem, follow these steps after you install Windows Server 2003 SP2:
Click Start, click Run, type cmd, and then click OK.

At the command prompt, type the following command, and then press ENTER.
lodctr /T:TermService

Note:
This command will modify the size and the date that are stored in the registry for the Perfts.dll file.

Type exit, and then press ENTER to close the Command Prompt window.

from:
http://support.microsoft.com/kb/932813