http://blogs.iis.net/davcox/archive/2006/03/17/perf-counter-behavior-changes-in-iis6.aspxI thought I'd really just share some information I collected while testing perf counters during the IIS6 days. The big changes were primarily to address the architecture and new process model that HTTP.sys and IIS provided and also to help our scalabilityenCommunityServer 2007 SP1 (Build: 20510.895)