Posted in未分類 Synology Active Backup for Microsoft 365 with Error:ErrorInvalidMailboxItemId Posted by Tim Ng 2021-06-21No Comments Install a new patch with the same version number 2.2.1-2324 https://community.synology.com/enu/forum/1/post/143425 Tim Ng View All Posts Post navigation Previous Post Veeam Backup & Restore PatchNext PostThe log scan number (3079:456:1) passed to log scan in database 'master' is not valid. This error may indicate data corruption or that he log file (.ldf) does not match the data file (.mdf).