Event ID: 2003 Source: Perflib

2015 pts.
Microsoft Windows
SQL Server
Windows 2000 Server, SP4 and rollup, plus all but lst updates. Started seeing this in my event logs ever few minutes starting over the weekend on two servers (one is also home to Exchagne 2000). Event Type: Warning Event Source: Perflib Event Category: None Event ID: 2003 Date: 4/4/2006 Time: 10:14:09 AM User: N/A Computer: EXCHANGE2 Description: The configuration information of the performance library "C:WINNTsystem32w3ctrs.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. Looked it up in eventid.net and went chasing after the suggested solutions. None seemed to fit the problem other than the reinstall option. One server is just a log repository, so I fugured I could try the solution out on that to determine if it works, then schedule some downtime for the Exchange server, once I looked at the ramifications of removing IIS from an Exchange box. I removed IIS and rebooted (doesn't ask me to, but, hey, it's Windows, so it wouldn't hurt.). I then installed IIS in the original configuration on that machine. And rebooted. Did an update check, and it told me I needed SP4 Rollup, which I installed. Problem gone. I looked at the Exchange server again, and the warnigs are gone from there also. Now, that's really got me scratching my head. Both servers are in teh same domain, but have no connection other than that. Can any one give me a clue as to why the problem seems th have been resolved on both machines with a reinstall of only one? Steve//

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Thanks. We'll let you know when a new response is added.

I have not had the exact same problem you are having, but I have run into the symptoms when dealing with servers that are working in tandem. It usually has to do with the order in which you applied the service pack originally because you did it while the other server was operational, by reinstalling the service pack again things were “matched-up” so to speak.


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  • Stevesz
    I'd not say that the servers were running in tandem. One is basically a logging server and management station for our firewalls, the other is an Exchange server. We'll see how it looks this morning. Steve//
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  • Balasaheb
    Hiiii To resolve this problem, run the following commands at a command prompt in the %SystemRoot%System32 folder to unload and reload the IIS performance dynamic-link libraries (DLLs). After you run these commands, the warning messages are not logged: unlodctr w3svc unlodctr msftpsvc unlodctr asp unlodctr inetinfo lodctr w3ctrs.ini lodctr ftpctrs.ini lodctr axperf.ini lodctr infoctrs.ini After you run these commands, you must restart your computer for the changes to take effect. Hope it will help you --- Bala---
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