Config Manager SCCM 2012/R2 – What happened if you reinstalled WSUS or SUP? Fix it

Hi everyone,

I want to share with you a strange behavior that happened that day when you uninstall WSUS and SUP from a server and then you try to install them again.

Say for example that you have a dedicated server running WSUS and SUP on it, and you got to a problem that you could not solve, and you decided to remove WSUS and SUP and then install them again to solve the problem. It can happen.

The moment you remove WSUS and SUP, at the Config Manager console, all updates will appear as expired. The strange thing is that when you install WSUS and SUP again, the synchrronization between your SCCM server and WSUS/SUP will work without errors but nothing get synched. No single error.

Resolution:

  • Uninstall SUP and confirmed from the supsetup.log to that it’s been uninstalled.
  • Run “select * from WSUSserverlocations” and confirm that it has removed entry for SCA.
  • Backup/Export HKLM\SOFTWARE\Microsoft\SMS\Components\SMS_WSUS_SYNC_MANAGER and renamed it.
  • Install SUP and again get the SUPSetup.log to verify.
  • New HKLM\SOFTWARE\Microsoft\SMS\Components\SMS_WSUS_SYNC_MANAGER registry key created automatically.
  • Restart SMS_EXECUTIVE.
  • Synchronization started.

[Resolution provided by Microsoft Support]

2 comments on “Config Manager SCCM 2012/R2 – What happened if you reinstalled WSUS or SUP? Fix it

  1. Hello. After registry key created, you need to change “ContentVersion”, “LastAttempVersion”, “SyncToVersion” on currently using. If not, your clients do not download updates which you deploy throgh SoftwareUpdateGroup.

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