Event ID - 4116

Event Id4116
DescriptionAn error was returned from the messaging software, the Internet Mail Service uses, to process messages on the Microsoft Exchange Server. It is possible that the piece of mail being processed at the time will not be delivered. The message that was being processed has been moved to the "BAD" folder. Use the appropriate utilities found in the SUPPORT directory of your Exchange CD to view and manipulate these messages.
Event InformationWhen you start the Microsoft Exchange Server Internet Mail Service , these events(4018, 4116) may appear in the application event log.
CAUSE: A possible cause of these errors is that the Exchange service account lacks the proper access rights to the Winnt\System32 (%System Root%\System32) directory.
The service account must have change rights to this directory to be able to modify the Mapisvc.inf file located in the %SystemRoot%\System32 directory.
WORKAROUND: To work around this problem, give the service account at least change rights to the %SystemRoot%\System32 directory.
Reference LinksXADM: Bad Message Causes Dr. Watson in Store.exe

XADM: IMC Shuts Down, Error Connecting to IS

XFOR: Exchange 5.0 IMS Wont Deliver Messages from 4.0 Server

XFOR: Events 4018 & 4116 Starting the Internet Mail Service

XADM: Troubleshooting Dr. Watson in Store.exe Because of IMC

XFOR: How to Clean MTS-IN/OUT Using Gwclient and Profinst Utilities

XFOR: Internet Mail Service Stops with Event Log Error 4116

General Troubleshooting for Stuck Messages in Internet Mail Service

XFOR: Inbound Internet Message with Blank CHARSET Causes Dr. Watson in Store.exe

XFOR: Malformed SMTP Messages in the Internet Mail Service

XFOR: The Internet Mail Service Does Not Start When Limiting Logons to the Information Store

"Event ID 4018" Error M

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