I recently blogged about multiple SUP roles in CM 2012 SP1 Beta and promised to come up with a follow-up which would be looking at how it works and what happens when there is a failure. This all sounds very exiting 🙂 so lets get started. In my previous blog I mentioned that the first SUP in your environment is seen as the sync source (or primary SUP) and that SUP’s installed later will be replica’s. So what happens when there would be a failure of the primary SUP? I turned of my primary SUP and triggered a sync from the console to find out (as expected) that synchronization failed. Software updates however  still works and software updates can be deployed using the replica SUP servers, meaning that redudancy is working. A side note offcourse is that the Endpoint Protection definitions will not be updated, simply because synchronization is not working. Basically…

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