Assume that you have applied Microsoft BizTalk Server 2013 R2 Cumulative Update 4 (CU4). If you don’t set the Archive Location URL property, archiveLocationRelativeUrl will be NULL, and the archiveLocationRelativeUrl.TrimStart('/') call throws a NullRef exception. And, you may receive the following warning and error message for a Windows SharePoint Service (WSS) receive location in BizTalk Server 2013:
Warning Message : The adapter "Windows SharePoint Services" raised an error message. Details "Object reference not set to an instance of an object.".
Error Message : The receive location is shutting down. Details: "The error threshold has been exceeded. The receive location will be shut down."
Cumulative update information
This issue was fixed in the following cumulative update of 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, see KB 2555976: Service pack and cumulative update list for BizTalk Server.
For more information about BizTalk Server hotfixes, see KB 2003907: Information about BizTalk hotfixes and cumulative update support.