Dears, has anyone tried to use ccmdelcert.exe with SCCM 2007 to change current Duplicated GUIDs on PCs generated in the "Computers that may share the same SMS Unique ID" report... please explain how? appreciate your assistance M.Zakaria

Hi, 1) Stop the ccmexec service 2) run ccmdelcert 3) start the ccmexec serviceKent Agerlund | http://scug.dk/members/Agerlund/default.aspx | The Danish community for System Center products

Worked like a charm. Our image process has resulted in some conflicts, and the server was rejecting new clients (Client=No, Approved=N/A). I also deleted the SMSCFG file. Thanks for the post. net stop ccmexec ping -n 20 127.0.0.1 >NUL ccmdelcert.exe del c:\windows\SMSCFG.ini /F /Q ping -n 3 127.0.0.1 >NUL net start ccmexec