Why are some DCs able to sync time with the PDCE and not others?

Hello all.  Eric here again.  OK, so maybe the title of this blog post isn’t the best, primarily because there could be a ton of reasons why some DC’s might not be able to sync time with the PDCE.  Some obvious examples would be port blockages, connectivity issues, DC’s set to “NoSync”, VM’s syncing to their host, maybe a broken IPSec policy on the DC, and a lot of other reasons.  I ran into what I thought was an interesting scenario today ... [More]