SCOM 2012: Remove obsolete objects from the database!

When you override and disable a discovery for a class in SCOM you may notice that objects may persist in the database. For example if you exclude a SQL database after initial SQL DB discovery it will probably still appear in the console.

To clean up the objects you can run the Remove-SCOMDisabledClassInstance Powershell cmdlet. Then all the relationships that involve objects related to a disabled discovery is deleted.

Depending on your environment, this process can take some time and put load on your SQL server.

http://technet.microsoft.com/en-us/library/hh920257.aspx

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