BizTalk security check failed in the messaging engine. January 31, 2017January 31, 2017 PCIS Support Team BizTalk Server Details Product: BizTalk Server Event ID: 5726 Source: BizTalk Server 3.0 Version: 3.0.4604.0 Message: BizTalk security check failed in the messaging engine. Explanation BizTalk Server security check failed in the messaging engine. Related:The message has been delivered to the destination queue.The buffer is too small to return result.There is no FILE receive location for URL %1.The FILE send adapter cannot write to file %1. It is a system file.The value provided for property ‘%1’ is of the wrong type.