Please forgive my ignorance here, but I've only been using SCCM 2012 recently, and am finding the update system a bit trickier to get my head around than SMS 2003 and SCCM 2007.
I've choosen the updates I want to deploy (e.g. Windows 7 2012 updates), created a Software Updates Group. I've downloaded the updates, created a Deployment package and then deployment. And the updates successfully went to clients.
However, I notice I missed an update which I wanted to include. It would seem sensible to me that there should be some means of updating the Software Update Group, rather than scraping it and starting again? Is anyone able to advise on this?