HP StoreOnce Backup System CLI Reference Guide

If the CIFS sever authentication mode is not set to Active Directory, the following is displayed.
Local administrators are not configurable in any other authentication mode.
CIFS Authentication is not AD
If the process of joining the Active Directory domain failed, the following is displayed. Be sure
to check that the username and password are correct.
Failed to join domain
Example
# cifs enable domainjoin name Administrator password abc123
Command Successful
cifs enable domainjoin 41