October 1, 2020

Re-installing the SCCM client

1. Delete the computerobject of the problematic workstation from SCCM via the SCCM console
2. Stop the Windows Management Instrumentation service
3. Stop the SMS Agent Host service
4. Uninstall the CCM Client with command C:\Windows\ccmsetup\ccmsetup.exe /uninstall

5. Delete these folders:
* C:\windows\ccm
* C:\windows\ccmsetup
* C:\windows\ccmcache
* C:\Windows\SMSCFG.ini

6. Delete these registry keys:
* HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\CCM
* HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\CCMSetup
* HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SMS

7. Reboot the workstation or restart the Stopping Windows Management Instrumentation service and 
8. Reinstall the client.