Event ID - 9002

Event Id9002
SourceMSExchangeSA
DescriptionThe ABV DG service failed to start, error '%1
Event Information According to Microsoft :
Cause :
This Error event indicates that the internal Recipient Update Service in the Microsoft Exchange System Attendant service failed to start.
The Recipient Update Service is a component of the Microsoft Exchange System Attendant, and the code for the Recipient Update Service is in the ABV_DG.DLL file. When the Microsoft Exchange System Attendant starts, it loads several DLL files, and one of them is the ABV_DG.DLL file. A failure to load the file and initiate the Recipient Update Service can result in this event.
User Action:
To resolve this error, do one or more of the following:
1.Ensure that the ABV_DG.DLL file is present in the location where the Exchange server is installed. This is typically the :\Program Files\Microsoft\Exchange Server\Bin folder.
2.If the file is present, ensure that the file is of the correct version for the Exchange Server version installed.
Reference LinksEvent ID 9002 form Source MSExchangeSA

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