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