Sitecore has no necessary permissions for reading/creating counters

Question

In the Sitecore (6.6 v130404) log file there are so many \"Sitecore has no necessary permissions for reading/creating counters.\" records being created. I have disabled the perf

Answer 1

A Sitecore application pool user (most probably Network Service user) has to be a member of the system “Performance Monitor Users” group to have access to the mentioned registry key. Adding the user to this group and restarting IIS should solve the problem.