If you are
planning to use SCCM 2012 patching and you have WSUS you need to find a way to
export all approved patch setting WSUS 3.X server.
We need to
connect to the WSUS SQL database (WID or SQL), export all ArticleIDs of the
approved updates from the SUSDB database, match those exported ArticleID’s with
the synced Software Updates in Configuration Manager and export the UpdateID’s
and add the updates with the exported UpdateID’s to a Software Update List in
Configuration Manager 2007 or in this case Update Group in Configuration
Manager 2012.
For this
kind of procedure I suggest to view the following tutorial/article: