Event ID 2003 Warning Message when loading performance Counters.

The Error Messages

The configuration information of the performance library "C:\WINNT\system32\w3ctrs.dll" for the "W3SVC" service does not match the trusted performance library information stored in the registry. The functions in this library will not be treated as trusted.

The configuration information of the performance library "C:\WINNT\system32\infoctrs.dll" for the "InetInfo" service does not match the trusted performance library information stored in the registry. The functions in this library will not be treated as trusted.

The configuration information of the performance library "C:\WINNT\system32\aspperf.dll" for the "ASP" service does not match the trusted performance library information stored in the registry. The functions in this library will not be treated as trusted.

To Resolve this problem

To resolve this problem, you may need to unload the all the IIS performance dynamic-link libraries (DLLs).

unlodctr w3svc
unlodctr msftpsvc
unlodctr asp
unlodctr inetinfo
lodctr w3ctrs.ini
lodctr ftpctrs.ini
lodctr axperf.ini
lodctr infoctrs.ini

This should resolve the problem and it will not be logged in the Event Viewer after that.