process name (process id) %3The database engine lost one bad data record. It is highly recommended that an application-level integrity check of the database be run to ensure application-level data integrity.

Details
Product:	Exchange
Event ID:	503
Source:	ESE
Version:	6.5.0000.0
Message:	process name (process id) %3The database engine lost one bad data record. It is highly recommended that an application-level integrity check of the database be run to ensure application-level data integrity.

Explanation
At least one data record may be corrupt. This event occurs only when problems are encountered during an offline repair.

User Action
Perform an application-level integrity check of the database to ensure application-level data integrity.