http://blogs.msdn.com/kerreybpi/archive/2009/01/12/identify-the-version-of-installed-biztalk.aspxRun regedt32, expand to HKEY_LOCAL_MACHINE-&gt;SOFTWARE-&gt;Microsoft-&gt;BizTalk-&gt;3.0; If the value of the the ProductVersion key is greater than 3.6.1404.0, the version of BizTalk Server is 2009.en-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/kerreybpi/archive/2009/01/12/identify-the-version-of-installed-biztalk.aspx#9331456Sat, 17 Jan 2009 00:45:54 GMT91d46819-8472-40ad-a661-2c78acb4018c:9331456Ashith<p>Thanks.. this is the most essential tip for all BizTalk Administrators</p>http://blogs.msdn.com/kerreybpi/archive/2009/01/12/identify-the-version-of-installed-biztalk.aspx#9395098Wed, 04 Feb 2009 11:56:50 GMT91d46819-8472-40ad-a661-2c78acb4018c:9395098Yong Hee Park<p>Nice. Thanks.</p> <p>Translate this post for Korean user.</p>