Delete duplicate SID in windows update server (wsus)

Issue : you will see that a computer dissapears and appears in the windows update server (wsus) or only one of the two computers appear .

Cause : Using a cloned system without doing a sysprep leads to creation of duplicate SID’s

Solution :

* Open Regedit

* Locate and then click the following registry subkey: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate In the details pane of Registry Editor, 

* Delete the following registry entries: PingID AccountDomainSid SusClientId SusClientIDValidation

 

* Open command prompt and type without qoutes 

1. wuauclt.exe /resetauthorization / detectnow

2. Wuauclt.exe /detectnow

 

NOTE : Do this on all computers with duplicate sus id’s to fix the issue.

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