"Unable to connect to the management gateway server..." after controller hardware upgrade
- ONTAP 9.1
- Controller hardware upgrade from FAS3220 to FAS2552
- Following a controller hardware upgrade the CLI is not functioning on one controller.
- MGWD is also restarting frequently with the following messages on the console:
Unable to connect to the management gateway server....
The management gateway server restarted. Waiting to see if the connection can be reestablished