Event ID - 3080

Event Id3080
SourceMSExchangeMTA
DescriptionA fatal MTA database server error was encountered. [XAPI OPERATOR 41 26] (16)
Event InformationAccording to Microsoft:
CAUSE :

This issue can occur if one or more .dat files from the \Exchsrvr\MTAData (MTA Database) directory are missing when you attempt to start the MTA.
RESOLUTION :
To resolve this issue, replace the missing .dat files if they have been removed, and then run the Mtacheck utility.For additional information about the Mtacheck utility, click the article Q163326.
Reference LinksError Message Occurs When Starting the Message Transfer Agent

Q163326 :How and Why to Run Mtacheck

You can take the MTA resource offline, but you cannot bring the MTA resource back online after you restart a Windows-based cluster

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