Update: Checklist to Upgrade to SCCM 2012 R2
This post provide a checklist for an upgrade to SCCM 2012 R2 and a list of known problems… Update 19.11.2013: Some Issues are solved by a KB. Update 21.11.2013: More Issues are solved by a KB. Pre-Upgrade Check if Firewall Ports are open between SCCM and SQL Server Check if