The MSMQ adapter lets you use Message Queuing 4.0 from BizTalk Server. Integrating Message Queuing technology with BizTalk Server enables applications that are running at different times to communicate across heterogeneous networks and systems that may be temporarily offline.
The MSMQ adapter features include the following:
Support for multithreaded operations
Support for Message Queuing 4.0 features, including support for remote transactional reads and receiving from subqueues (available with Message Queuing 4.0).
Support for processing messages larger than 4 MB