We had an issue on an Exchange 2010 multi role server this week where the average Memory Pages/Second exceeded 3000. Microsoft recommends that the average Pages/Second should be below 1000. After some investigation we found that the antivirus software was scanning the Exchange folders and log files. For a quick test we disabled the antivirus agent on the server and the average Pages/Second dropped significantly. There could be countless reasons for above normal Memory Pages/Second issues but checking your antivirus software is a quick check. The exclusions in the antivirus software was then configured and the issue was permanently resolved. Note that you should never scan your Exchange log files…