Veeam released Veeam Backup for Microsoft Office 365 v6 on March 9, 2022, there are lots of new features at this version included Self-Service Restore Portal, Backup copy to low-cost object storage… etc. the detail information as following link.
Veeam released Veeam Backup for Microsoft Office 365 on June 4, but the GA build of Veeam Backup for Microsoft Office 365 version 4c (build 18.104.22.1689) was recalled due to a backup sync issue identified by Veeam quality assurance.
If you are running build 22.214.171.1249 please refer to the KB3194 and install the corresponding patch.
I was trying to upgrade VBO 365 from V3 to V4, everything looks fine except upgrading Default Backup Repository, the status shows Upgrade failed “Access is denied”, it has never happed with other customers for upgrading VBO 365 from V3 to V4.