3.2.5.3.4 Receiving a TXUSER_DTCLURMENLISTMENT_MTAG_TO_LU_BACKEDOUT Message
When the LU 6.2 implementation (section 3.2) receives a TXUSER_DTCLURMENLISTMENT_MTAG_TO_LU_BACKEDOUT message, it MUST perform the following actions:
If the connection state is Awaiting Backout Response:
Return a success result to the higher-layer business logic.
Set the connection state to Ended.
Otherwise, the message MUST be processed as an invalid message, as specified in [MS-DTCO], section 3.1.6.