Pull Distribution Point upgrade behavior while installing Cumulative Updates in ConfigMgr 2012 Site.

Update: In ConfigMgr 2012 R2 CU4, we have a fix to improve the Pull DP upgrade behavior. Check out https://support.microsoft.com/kb/3026739 "Installing a cumulative update on a site unnecessarily copies the whole client installation bundle to any Pull distribution points" Today's topic is about the behavior of the Pull distribution Point upgrade on ConfigMgr 2012 R2 CU1….