thanks to all.
xlang/s engine event log entry: Uncaught exception (see the 'inner exception' below) has suspended an instance of service 'DynamicPort.BizTalk_Orchestration1(766781bc-10e0-d9ef-0afd-9270cc19e0b6)'.
The service instance will remain suspended until administratively resumed or terminated.
If resumed the instance will continue from its last persisted state and may re-throw the same unexpected exception.
InstanceId: b6061dc8-7c21-4828-9812-9e5af892c571
Shape name: Send_1
ShapeId: 590e51ed-efcf-422f-8322-c5d557e116ca
Exception thrown from: segment 1, progress 17
Inner exception: Failed while attempting to send message 'Message_1'.
Exception type: SendFailedException
Source: Microsoft.XLANGs.BizTalk.Engine
Target Site: Void WriteMessageState(Microsoft.BizTalk.Interop.IBTPEPInfoLookup, System.Guid, Microsoft.XLANGs.BaseTypes.XLANGMessage, Microsoft.XLANGs.Core.Segment, System.String, System.String, System.Collections.IList, Boolean, System.Collections.IList)
The following is a stack trace that identifies the location where the exception occured
at Microsoft.BizTalk.XLANGs.BTXEngine.BTXXlangStore.WriteMessageState(IBTPEPInfoLookup pepLookup, Guid portId, XLANGMessage msg, Segment seg, String opname, String url, IList promoteProps, Boolean track, IList toPromote)
at Microsoft.BizTalk.XLANGs.BTXEngine.BTXLogicalPortBinding.SendMessage(XLANGMessage msg, XlangStore store, Segment seg, OperationInfo op, IList additionalProps, IList toPromote, Boolean ignoreRoutingFailure)
at Microsoft.BizTalk.XLANGs.BTXEngine.BTXPortBase.SendMessage(Int32 iOperation, XLANGMessage msg, Correlation[] initCorrelations, Correlation[] followCorrelations, Context cxt, Segment seg, ActivityFlags flags)
at DynamicPort.BizTalk_Orchestration1.segment1(StopConditions stopOn)
at Microsoft.XLANGs.Core.SegmentScheduler.RunASegment(Segment s, StopConditions stopCond, Exception& exp)
Additional error information:
The Messaging Engine could not send the message to the dynamic send port. The outbound transport could not be resolved because a matching transport protocol prefix could not be derived from the URL "FORMATNAME:DIRECT=OS:WIN-EF7I1FBOEOE/PRIVATE$/bora".
Exception type: COMException
Source:
Target Site: Void PostToSendPort(System.Guid ByRef, Microsoft.BizTalk.Agent.Interop.IBTMessageBatch, Microsoft.BizTalk.Agent.Interop.IBTMessage, System.String, System.String, Microsoft.BizTalk.Interop.IBTMMessageList ByRef)
The following is a stack trace that identifies the location where the exception occured
at Microsoft.BizTalk.Interop.IBTPEPInfoLookup.PostToSendPort(Guid& sendPortID, IBTMessageBatch batch, IBTMessage msg, String operationName, String url, IBTMMessageList& dlMsgList)
at Microsoft.BizTalk.XLANGs.BTXEngine.BTXXlangStore.WriteMessageState(IBTPEPInfoLookup pepLookup, Guid portId, XLANGMessage msg, Segment seg, String opname, String url, IList promoteProps, Boolean track, IList toPromote)
thanks
piyush