Assume that you use the SAP adapter in .NET Connector (NCo) mode in Microsoft BizTalk Server. The adapter does not trim all the trailing non-printable characters from data when you send and receive intermediate documents (iDOCs).
This issue does not occur if the SAP adapter is used in the Classic RFC mode.
This issue is fixed in the following cumulative updates for BizTalk Server:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For information about the service packs and cumulative update list for BizTalk Server, click the following article number to view the article in the Microsoft Knowledge Base:
2555976 Service pack and cumulative update list for BizTalk Server
For more information about BizTalk Server hotfixes, click the following article number to view the article in the Microsoft Knowledge Base:
2003907 Information about BizTalk hotfixes and Service Pack support
The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.