NetWorker: Creating a Data Domain device fails with error: Authentication type AUTH_NONE not adequate

Data Domain device creation fails in NetWorker, the following error is observed:

authentication error: Rd=SN-NAME:DD-NAME_DEV-NAME Authentication type AUTH_NONE not adequate

Where SN-NAME is the name of the remote storage node.
Where DD-NAME is the name of the Data Domain.
Where DEV-NAME is the name of the device user is attempting to create.

Corrupted NetWorker peer information between the NetWorker server and the Storage Node managing the device.

Clear the NetWorker peer information on both the NetWorker server and storage nodes observing this failure. One of the following methods can be used:

• NetWorker: How to clear NSR peer information mismatches automatically using nsradmin -C
• NetWorker: Fixing inconsistent NSR peer information