If you want to check your SAP user’s SNC configurations on your SAP system then you can use the following Transaction or Report to get detail information easily…

You can use the transaction SNC4 or report RSSNCCHK for start the process like below screens ;

Transaction : SNC4

Report : RSSNCCHK

You will get the following screen , after this you can select the entries which you want to list after program completes..

If you want to delete invalid canonical names then you should tick the “Delete invalid canon. names” selection but it’s always better see the list before this selection like below selections.

Execute the program and check the situation of you user’s SNC definations according to your SNC configuration.