Modifying the external address in a single-node environment
In single-node environments, you are currently unable to change the node's external address using the Manage the system console as described above. If you try, a warning is displayed and there is no button to propagate the change.
To modify a node's external address in a single-node environment:
Open the Windows Registry Editor and locate the instance's base registry key.
Create a REG_SZ entry named
serveraddressexternal-- and populate it with the required value on each node.Restart the database service .