3.3.5.3.2 Receiving a TXUSER_DTCLURMENLISTMENT_MTAG_TO_DTC_REQUESTCOMMIT Message
When the Transaction Manager Communicating with an LU 6.2 Implementation Facet receives a TXUSER_DTCLURMENLISTMENT_MTAG_TO_DTC_REQUESTCOMMIT (section 2.2.3.3.8) message, it MUST perform the following actions:
If the connection state is Awaiting Prepare Response:
Signal the Enlistment Phase One Complete event (as specified in [MS-DTCO] section 3.2.7.16) on the Core Transaction Manager Facet with the following arguments:
The Enlistment object of the LUW object referenced by this connection
The Phase One outcome set to Prepared
Set the connection state to Prepared.
Otherwise, if the connection state is Ended:
Ignore the message.
Otherwise, the message MUST be processed as an invalid message, as specified in [MS-DTCO], section 3.1.6.