Error Perflib 1001

I have a server Windows NT Server Enterprise Edition. It is showing the following error in the event viewer :

Event ID : 1001
Source : Perflib
The buffer size returned by a collect procedure in Extensible counter DLL “Perfctrs.dll” for the “Tcpip” service was larger than the space available. Performance data returned by counter DLL will be not returned in Perf Data Block. Overflow size is data DWORD 0