To save disk space, we can enable circular logging. By default, circular logging is disabled (as recommended). We can encounter many issues with circular logging enabled, like incremental and differential not permissible, if circular logging is enabled, and only point-in-time recovery operations are possible and so on.
How to enable Circular Logging in Exchange Server 2010
- Open the Exchange Management Console.
- Expand Organization Configuration and click on Mailbox.
- In the result pane, click on Database Management tab.
- Right-click on any mailbox database where you wish to enable circular logging and click on Properties, as shown below.
- Click on the Maintenance tab and select Enable Circular Logging checkbox.
