Symptoms
The Windows NT Event Viewer Application log may generate Event ID 1010 logs every two to three seconds. The event description is as follows:

Event ID:1010Source:PerflibDescription:The Collect Procedure for the “SnaServr” service in DLL”C:\SNA\system\snaperf.dll” generated anexception or returnedan invalid status. Performance data returned by counter DLL will be notbe returned in Perf Data Block. Exception or status code returned isDWORD 0. Other related events descriptions that may follow are:

Event ID:1008Source:PerflibDescription:The Open Procedure for service “Tcpip” in DLL “Perfctrs.dll” failed.Performance data for this service will not be available. Status codereturned is DWORD 0.Event ID:1011Source:PerflibDescription:The library file “tapiperf.dll” specified for the “TapiSrv” servicecould notbe opened. Performance data for this service will not beavailable.Status code is data DWORD 0.Event ID:4005Source:perfctrsDescription:Load of INETMIB1.DLL failed. Make sure the DLL file is in the PATH.WIN32 Error number is returned in the data.
Resolution
It has been confirmed that versions earlier than version 3.5 of Compaq’s Insight Manager (CIM) conflict with Performance Counters, thereby causing these errors to occur.