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Server 2012R2 AD access and replication problems
I have a Server 2012R2 which has several symptoms related to AD access and replication. Here are some examples and some related event log descriptions: GPMC cannot connect to the AD. DFRS replicat...
The dcdiag you ran from LGNAD1 is totally unaware of the new DC (LGNAD4) you added in other network plus it cannot connect to LGNAD2. I don't know how long ago this might have happened. Seems there is some blocking going on. One method would be to use PortQryUI tool to check domains and trusts ports.
https://www.microsoft.com/en-us/download/details.aspx?id=24009
tool does not install anything, just extract and run it. I'd try between two on the 192.168.100.xxx network so you know what to expect, then run from LGNAD1 --> LGNAD2 and LGNAD2-->LGNAD1
Dave, an MTU adjustment was required on the VPN appliances and replication is looking much better.
Thanks for your help!
Bob
Glad to hear.
