Activity Monitor in SQL Server 2012 SP1

In SQL Server 2012 Service Pack 1 few changes were made in Activity Monitor. We had to stop using PerformanceCounterCategory class to get information about number of logical CPUs on the remote machine and switched to using more accurate information available via WMI (Win32_ComputerSystem.NumberOfLogicalProcessors if you’re looking for technical details). Unfortunately it caused problems for…