Circular Logging Enabled - Cannot Perform Incremental/Differential Backups
KB ID: 109106
Issue:
When attempting to perform incremental or differential backups, you may encounter an error due to circular logging being enabled for the storage group/databases designated for backup.
Solution:
To resolve this issue, follow these steps:
- Open the Exchange Management Console and navigate to 'Organization Configuration -> Mailbox -> Database Management -> [Select the Database you want to check]'.
- Right-click on the selected Database and choose 'Properties'. Ensure that the "Enable Circular Logging" checkbox remains unchecked.
- Restart the "Microsoft Exchange Information Store" service.
After switching from circular logging to non-circular logging, it is essential to run an additional full backup. To schedule this, access 'Backup -> List Backup Jobs -> [Select the Backup Name] -> Edit Backup Configuration' and enable the option 'Run additional full backup after saving this configuration'.