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

As explained in approved answer you need to add app pool user to performance monitor users and performance log users group. To add your app pool user add iis apppool\{site name}. You need to restart your machine again or alternatively restart your iis and log off and log in to make sure your changes got picked up by user group membership

Here are a few screenshots.