We have upgraded from SCOM 2007 to SCOM 2012. We have about 150 servers. We have about 18 of these that repeatedly coming up with a Health Service Heartbeat failure but not the Failed to Connect to Computer. I have researched and found that the System Center Management Service is hung and I need to stop (takes a while to stop) then I restart it and the alert in SCOM clears. This worked fine at first but it is now becoming a daily chore for a few of the machines.
I have tried renaming C:\Program Files\System Center Operations Manager\Agent\Health Service State while the service is stopped and then restart the service and it creates a new folder.
I have even removed and manually installed the agent but this had no effect on the problem machines.
The servers are rebooted nightly. They are Windows Server 2008 Version 6 (not R2), 32 bit, with SP2. Does anyone have any insight as to what might cause the service to hang?