Backups to Data Domain fails with “the user has insufficient access rights. Err: 5075”

KB ID: 2910
Product: Veeam Backup & Replication
Version: 9.5.4.2615 or newer
Published: 2019-03-13
Last Modified: 2020-11-09
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Challenge

Backup or Backup Copy jobs targeting a Dell EMC Data Domain repository fail with the following error:
 

Error: Failed to call RPC function 'DDBoostFcIsExist': Failed to connect to storage. Storage: <ip\hostname>, User: <user>. the user has insufficient access rights. Err: 5075.

Rescan operations for a Dell EMC Data Domain repository display the following warning:
 
Warning    Failed to synchronize <Repository Name> Details: Failed to call RPC function 'DDBoostFcIsExist': Failed to connect to storage. Storage: <ip\hostname>, User: <user>. the user has insufficient access rights. Err: 5075.
 

Solution

The following are known possible causes and solutions for this error:

  1. The password for the account configured in the repository settings is incorrect and needs to be updated in the Veeam Backup & Replication Credentials Manager
  2. The password age rule on the Data Domain has taken effect and locked the user account pending a new password be assigned to the account.
    More information: https://www.dell.com/support/kbdoc/en-us/482322
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