We have upgraded our 2 node UAG array from SP3 to SP4. The upgrade appears succesful apart from the Web monitor on Node 1 (the manager) states that node 2 has an synchronization status of 'Error'.
What is strange is that when I open web monitor on node 2 (an array member) it states that both nodes are converged and synced.
I have checked everything, TMG, UAG, I have restarted both servers, I have activated the config at least 4 times but I can not get Node 1 to see Node 2 succesfully.
This is not service effecting and both nodes are serving clients so the NLB is working fine.
I have used TMG's Traffic Simulator and found that Node 1 can not send RPC (Port 135) to Node 2 but i can from node 2 to node 1.
Has anyone seen this before and more importantly can tell me what the fix is please? Thanks
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