I finally got it working. Basically I needed to manually rebuild Performance Counter Library values due to system/registry corruption on that server. PA Server Monitor is using Windows Performance Counters to gather information. More in links below: http://serverfault.com/questions/468934/connecting-to-remote-server-using-performance-monitor-does-not-work http://support.microsoft.com/kb/300956

I finally got it working. Basically I needed to manually rebuild Performance Counter Library values due to system/registry corruption on that server. PA Server Monitor is using Windows Performance Counters to gather information. More in links below: http://serverfault.com/questions/468934/connecting-to-remote-server-using-performance-monitor-does-not-work http://support.microsoft.com/kb/300956