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When you connect to a non-Unicode SAP system in Microsoft Visual Studio by using the .NET Connector (NCo) in Microsoft BizTalk Server (as described in Connecting to the SAP System in Visual Studio), retrieving metadata for IDOC/RFC/tRFC/BAPI operations causes errors that resemble the following:

Adapter Message: An error occurred when trying to convert byte array: [/BEV1/NEMAT                   /BEV1/NEMATMAS05                                            701 ] of RFCTYPE: RFCTYPE_CHAR with length: 4 and decimals: 0 to a .Net type. The parameter/field name is: RELEASED.

Error occurred while browsing the LOB system. Adapter Message: Error in deserializing body of reply message for operation 'Browse'.


This issue is fixed in the following cumulative updates for BizTalk Server:

       Cumulative Update 2 for BizTalk Server 2016

       Cumulative Update 5 for BizTalk Adapter Pack 2013

       Cumulative Update 6 for BizTalk Server 2013 R2


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.

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