I am attempting to configure my testbed environment's DAG's network, but any DAG network command I run gives me errors. Please note, my testbed (and production) is Exchange 2016 on-prem (CU22 with Jan SU installed).
I can find NOTHING online pertaining to these errors at all. Nothing shows in my event viewer (application or system). My testbed has NO HBSS or A/V on it, and it only has 1 network. I wonder if there was some sort of Exchange CU/SU or .NET or even an underlying AD issue (DNS?) that is causing any DAG network command to fail. I've tried these commands from all my Exchange servers (both my test bed and my production), specifically from the Primary Active Manager - to no avail. I am simply just unable to configure the DAG networks.
Figure 1 Test Bed:
Figure 2 Production (because we have "ReplicationNetworks" due iSCSI storage arrays):
Figure 3 Event Log
Errors in Text format:
A server-side administrative operation has failed. Operation failed with message: Error 0xe0434352 (Unknown error (0xe0434352)) from cli_SetDagNetworkConfig
A server-side administrative operation has failed. Operation failed with message: Error 0xe0434352 (Unknown error (0xe0434352)) from cli_SetDagNetwork
Does anybody have any familiarity with these 2 errors? If so... please tell me how to get passed them.