Circular logging is enabled on the mailbox database '{1}' on server {0} . Circular logging is disabled by default. By enabling ...

Circular logging is enabled on the mailbox database '{1}' on server {0} . Circular logging is disabled by default. By enabling it, you reduce drive storage space requirements. However, without a complete set of transaction log files, you can't recover data more recent than the last full backup. Circular logging isn't recommended when there are fewer than three database copies.