hi..., need help for below case

already searching  not found any clue, 

i have a problem with sccm 2012 installed in win 2012 server with SQL is on a separate server.

below is the error when try to sync to WSUS

System.Security.SecurityException:Request for principal permission failed

Thanks 

• Edited by Ruslan-79 14 hours 51 minutes ago

where exactly are you seeing this error?

exactly what permission do you have on SQL server?