http://blogs.msdn.com/b/biztalk_server_team_blog/archive/2010/11/11/pipeline-component-for-enabling-legacy-behavior-in-wcf-sap-adapter.aspxSome of customers who have migrated for the old Sap Adapter (BizTalk Adapter 2.0 for mySAP Business Suite) to WCF-SAP adapter (comes with BizTalk Adapter Pack), have come back saying that there are some differences in behavior of the old SAP adapter anden-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)