I have tried uninstalling and reinstalling SCOM Management server. C:\Install\RMSKey>ManagementServerConfigTool.exe PromoteRMS Running this tool can cause irreversible damage to your Operations Manager DB. P lease backup your DB before continuing. Continue the PromoteRMS action? (Y/N):y Collecting discovered data, please be patient... Warning: Unable to trace instance space due to exception 'The type initializer f or 'Microsoft.MOMv3.Setup.MOMv3ManagedCAs' threw an exception.' Could not load file or assembly 'Microsoft.Mom.Common, Version=6.0.4900.0, Cultu re=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The sys tem cannot find the file specified.dsk

You've restored the key before you ran the promote? (assuming your rms is gone) http://bradstechblog.com/scom/promoting-ms-to-rms-use-with-caution Rob Korving http://jama00.wordpress.com/