Originally posted on: http://geekswithblogs.net/AskPaula/archive/2013/07/02/153324.aspxThere are 2 ways to do this, the first is to query the BizTalkDBVersion table:use [BizTalkMgmtDb]goSELECT DatabaseMajor, DatabaseMinor,ProductBuildNumber, ProductRevision FROM dbo.BizTalkDBVersion; Here is a list of possible BizTalk versions (CUP = cumulative update package, SP = service pack) :BTS20043.0.4902.0BTS2004SP13.0.6070.0BTS2004SP2 3.0.7405.0BTS2006 3.5.1602.0BTS2006R23.6.1404.0BTS20093.8.368.0BTS2010 3.9.469.0BTS2010CUP13.9.522.2BTS2010CUP23.9.530.2BTS2010CUP33.9.542.2BTS2010CUP43.9.545.2BTS2010CUP53.9.556.2BTS2013 3.10.229.0The second way is to follow these steps:Click Start, click Run, type regedt32, and then click OK.Once the window is up, navigate to HKEY_LOCAL_MACHINE, then SOFTWARE, then Microsoft, then BizTalk Server, and finally open 3.0.This is what you should see: