Hi, I have seen multiple posts regarding this, and I have tried many things without luck. I thought I'd contribute what helped me. Funnily, I actually fixed the problem while posting my question. But I thought this may be useful to anyone else with the same issue.
We have SCOM 2012 7.0.8560.0
We have the Windows Server Operating System MP installed, 6.0.7061.0
3 servers are reporting that the Windows Operating System is "Not Monitored".
The 3 servers which are not being monitored all appear to be Windows Server 2012 R2 operating system.
What we've tried
- Uninstall SCOM agent from the SCOM console. Remove SCOM agent folder. Reboot. Reinstall SCOM Agent from SCOM Console (push install). install completes successfully.
- Enable Proxy Discovery
- Reboot SCOM Servers
- Ensured the SCOM service account has Admin rights on the server
- Disabled Windows Firewall
- Set User Account Control to minimum
- Verified DNS (DNS functions 100% in our environment, with scavenging every 7 days)
- SCOM Database Grooming runs every 7 days
- The problem has existed for weeks\months, so this is not a DNS or Database grooming issue (unless there is something lingering in the database?)
- Re-Ran the "download SCOM Management Packs" from the console - all MP's are up to date
After reading through the release notes of the Windows Server Management Pack, I searched my discovery rules to perhaps see if we had disabled the Server 2012 discoveries, or something careless like that. To my amazement,there we NO Windows Server 2012 R2 Discoveries present in our environment! This confused me greatly, since we are running the latest version of the Windows Server management pack.
For some reason, it appears that updating your MP's from the console wizard does not pull this down.
After manually downloadingthe Windows Server Operating System management pack, and installing it manually, everything started to work.
I'm not sure why the SCOM wizard doesn't do this, but this has kept me busy for days, for something so easily missed.
I suggest MS enhances the SCOM "update MP" downloads to pull down an entire management pack if it says it was "imported successfully". I now wonder what else I think it "up to date", which may have rules missing without my knowledge.
Cheers