If any of the following occurs when Performance Management is in use, a problem caused by the extended counter DLL might have occurred.

• Even though the PFM Agent for Windows service is running, performance information is not collected.
• The PFM Agent for Windows service terminates abnormally.
• When the PFM Agent for Windows service stops, a KAVE05034-E error message is output.

In this case, see the following information in the Microsoft Knowledge Base provided:

• Performance monitor that hangs during startup or when a counter is added
• Troubleshooting for performance monitor counter problem