Latest 3PAR firmware 3.2.2 MU3 breaks SAN integration with Veeam Backup and Replication. Issue affects all versions, including version 9 Update 2.
You job will fail with “User authentication failed” error:
Veeam acknowledged this bug and will address it in the next version. Currently hotfix is available:
Hotfix installation instructions
1. Stop Veeam Backup service
2. Rename Veeam.Backup.SanPlugin.Hp3PARLib.dll to Veeam.Backup.SanPlugin.Hp3PARLib_orig.dll in C:\Program Files\Veeam\Backup and Replication\Backup
3. Unpack the archive to the same location
4. Start Veeam Backup service