Event ID - 9315

Event Id9315
SourceMSExchangeMTA
DescriptionA resource limit has been reached when attempting to open a RAS association. The number of entries configured is <value>. [<value> <value> <value> <value>] (12)
Event InformationAccording to Microsoft:
To resolve this behavior, stop the MTA service, and then follow these steps:
1. Start Registry Editor (Regedt32.exe).
2. Locate the following registry key:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\MSExchangeMTA\Parameters
3. Double-click the RAS LAN-MTA DMOD threads value, and increase the data value from 2 to 4.
4. Double-click the Concurrent Connections to RAS LAN-MTAs value, and increase the data value to 10.
5. Quit Registry Editor.
6. Restart the MTA
Reference LinksXCON: MTA Service on RAS Bridgehead Server Stops Repeatedly with Events 9315, 9405

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