http://blogs.msdn.com/b/atinag/archive/2009/03/18/utf-encoded-message-failing-in-biztalk-2006.aspxReceiving following error at the Receive Pipeline while using MSMQ adapter in Biztalk 2006: A message received by adapter &quot;MSMQ&quot; on receive location &quot;xxxxxxxxxxx&quot; with URI &quot;xxxxxxxxxxx&quot; is suspended. Error details: Thereen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.msdn.com/b/atinag/archive/2009/03/18/utf-encoded-message-failing-in-biztalk-2006.aspx#10329182Thu, 12 Jul 2012 10:52:08 GMT91d46819-8472-40ad-a661-2c78acb4018c:10329182Chris<p>Note that the Unicode specification doesn&#39;t say BOMs are required for UTF-16. &nbsp;If no BOM is present, it should assume Big Endian.</p> <p>However, the W3C XML specification says:</p> <p>&quot;Entities encoded in UTF-16 must and entities encoded in UTF-8 may begin with the Byte Order Mark&quot;</p> <p>So I guess that it why Microsoft made them mandatory in BizTalk - from the XML rather than the Unicode perspective.</p> <div style="clear:both;"></div><img src="http://blogs.msdn.com/aggbug.aspx?PostID=10329182" width="1" height="1">