http://blogs.msdn.com/b/biztalknotes/archive/2012/10/26/processing-messages-without-preserving-whitespaces-in-biztalk-server-2010-after-the-installation-of-cumulative-update.aspxIf you use BizTalk Server 2010 and want to process a message without preserving the whitespaces, the message will get processed without any errors as we did not preserve the whitespaces by default. Cumulative Update 1 for BizTalk Server 2010 containsen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)