SEP clients won't upgrade after SEPM 12.1.2 upgrade
I recently upgraded from 12.1.1 to 12.1.2. I assigned the newer client package to the Clients-Install Packages and set the upgrade timeframe. Users rec'd the upgrade notification on their PCs but nothing ever happens when they give it permission to upgrade/reboot. The upgrade notification window continues to show up on each user's PC every morning and still the clients do not upgrade (all are sitting at 12.1.1000.157).
Yet if I have a re-imaged PC that doesn't have SEP installed, SEPM remote installation does work w/out issue (client 12.1.2015.2015).
Also, just FYI, I never had an issue when I upgraded from 11.x to 12.x. The upgrades worked w/out issue.
Server 2008R2 Enterprise, Windows 7 Pro x64