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BugZero found this defect 4725 days ago.
Backup Job targeting an SMB (CIFS) Repository fails with:
The password of the account specified within the Repository settings has changed.
Edit the Repository Select the Share tab Click the Manage accounts link under the account selection drop-down box Update the credentials used to connect to the SMB share. Note: The username must be in the down-level logon name format. For example, DOMAIN\username or HOSTNAME\username.