A fatal MTA database server error was encountered. The object reservation count for object {object name} has been decremented below zero. [{value}{value}{value}{value}] (16)

Details
Product:	Exchange
Event ID:	2202
Source:	MSExchangeMTA
Version:	6.0
Component:	Message Transfer Agent
Symbolic Name:	MTA02202
Message:	A fatal MTA database server error was encountered. The object reservation count for object {object name} has been decremented below zero. [{value}{value}{value}{value}] (16)

Explanation
The message transfer agent encountered an internal processing error while processing a message or report object. This indicates a logic error or database integrity failure.

User Action
To help Microsoft Product Support Services track down the problem, create log files. For more information, see Knowledge Base articles Q163032 and Q168906. To create Ap.log files, in the Diagnostics Logging tab of the Server Properties dialog box, select MSExchangeMTA and set the logging level of the Interoperability and Interface categories to Maximum. To create Bf.log files, set the logging level of the APDU and X.400 Service categories to Maximum.Save all MTA log files (mtadata\.log), Event Viewer output, and database files. Contact Microsoft Product Support Services.You can enable text event log files (Ev.log) by modifying the Registry. Contact Microsoft Product Support Services for assistance.