The ConfigMgr 2012 R2 upgrade from ConfigMgr 2012 SP1 CU3 will fail if you have Pull DPs in your environment.

Hi Folks, Just sharing one of the upgrade issues that we have when we upgrade to R2 from ConfigMgr 2012 CU3 when pull dps are there in the environment.   Note: We have fixed the issue in our latest R2 bits. For more information: http://blogs.technet.com/b/configmgrteam/archive/2013/11/26/replication-errors-in-system-center-2012-r2-configuration-manager.aspx   Issue: ===== CAS and primaries went to the Maintenance…

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