Issue Reported: Post client migration to SCCM Current Branch (CB) , Fail to take remote control of a machine and the User doesn’t get the prompt to accept the connection.
Step 1: Make sure device on network.
Step 2. Open regedit.exe on your machine , map the registry of affected machine and goto HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Sms key. Compare working machine registry and non working registry. found permission is missing.
Step 3: .Right Click Sms Key and goto permissions option, if you see only two permissions ( SYSTEM and Administrators) then their is a problem.
Step 4.Download and Copy SetACL.exe from internet and put it on affected machine.
Step 5. Connect to affected machine command prompt through PSEXEC and browse to folder where SetACL.exe is place, run the following command SetACL -on “HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SMS” -ot reg -actn setprot -op “dacl:np” -actn clear -clr “dacl” -actn rstchldrn -rst “dacl”.
Step 6. Now check permissions of SMS key you will see four entries, Try to take remote control now and it work as normal.
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