An internal MTA error occurred. Gateway queue index {index name} is not in use. [{value}{value}{value}{value}] (14)

Details
Product: Exchange
Event ID: 2042
Source: MSExchangeMTA
Version: 6.0
Component: Message Transfer Agent
Symbolic Name: MTA02042
Message: An internal MTA error occurred. Gateway queue index {index name} is not in use. [{value}{value}{value}{value}] (14)
   
Explanation
The message transfer agent (MTA) database may be corrupted.
   
User Action
Verify that the \Exchsrvr\Mtadata directory exists. Stop and restart the MTA service. If the error persists, run the Mtacheck.exe utility. Stop the MTA service, open a command prompt, and type Mtacheck/v /f c:\mta.txt. If Mtacheck removes objects from a database queue, it places each damaged object in a Db*.dat file in \Exchsrvr\Mtadata\Mtacheck.out. Contact Microsoft Product Support Services for assistance.

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