Prepare AD for SCCM Publishing Click  Set up a Configuration Manager lab for detailed setup instructions and access to all necessary download links for the lab. Extend the AD Schema run:  extadsch.exe Check C:\extadsch.log for success Create System Management Container Use ADSI Edit Connect to CN=System Right-click > New > Object > Container > Name: System Management Delegate Full Control to the SCCM server: Open AD Users and Computers > Advanced View Right-click System Management > Delegate Control Add SCCM Server (e.g. SCCMSRV) > Full Control The extadsch.exe tool is in the  SMSSETUP\BIN\X64 folder on the Configuration Manager installation media. Run this tool from a command line to view feedback while it runs.