3.6.6.1 Reenlist Timeout Timer
When this timer expires, the transaction manager communicating with a resource manager facet MUST perform the following actions:
Send a TXUSER_REENLIST_MTAG_REENLIST_TIMEOUT (section 2.2.10.3.1.4) message using the connection that is referenced by the provided Enlistment object.
Set the transaction state to Ended (section 3.2.1.3.14).