Stop all running Biztalk services, load up SQL Management Studio, on the BiztalkDTADb database run the following script. Note that this script does not archive data. After this has completed you can shrink the database files.
If the BizTalk message box database, by default BizTalkMsgDb, or the log file for that matter, gets too large, performance of the database subsystem will be affected considerably. If your message box has grown too large and Biztalk becomes unresponsive, you might want to clean up the database manually, to do so check this link. … Continue reading How to Clear or Purge the Biztalk Message Box Database
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