|Message:||An inconsistency was detected in %2: %3. The calendar is being repaired. If other errors occur with this calendar, please view the calendar using Microsoft Outlook Web Access. If a problem persists, please recreate the calendar or the containing mailbox.|
This Warning event is logged when a problem with a Calendar item is detected. This indicates that Microsoft® Exchange Server has detected data corruption and is trying to rebuild the calendar data for Web client viewing.
Calendar item corruption is usually caused when file system-based antivirus software scans the Exchange Installable File System (IFS) drive. By default, the Exchange IFS drive is drive M. Corruption can also occur when you try to back up drive M. The following articles in the Microsoft Knowledge Base may apply:
Other events in the Application log may give you more information about why this event was logged and where the corruption exists. The following events may help you discover the underlying cause of this error:
To resolve this error, try one or more of the following: