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Editorial Team
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Asked: 2026-05-15T11:04:25+00:00

I’m trying to send a message to the WCF-WSHttp adapter with a dynamic send

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I’m trying to send a message to the WCF-WSHttp adapter with a dynamic
send port from an orchestration, but BizTalk seems to always be
reverting back to the HTTP Adapter.

According to the docs that I’ve been able to find, I should just need
to set the transport type from my expression shape to get BizTalk to
use the WCF-WSHttp adapter, and I AM, but it still seems to be
reverting. Below is an example of my expression shape that’s setting
the properties (as you can see, I’ve tried both
Microsoft.XLANGs.BaseTypes.TransportType and
BTS.OutboundTransportType):

Body(BTS.OutboundTransportType) = "WCF-WSHttp";

SendMessagePort(Microsoft.XLANGs.BaseTypes.Address) =
System.String.Format("{0}/Accept{1}", "http://myserver/myservice/
myservice.svc/Accept{0}", messageInfo.MessageType);
SendMessagePort(Microsoft.XLANGs.BaseTypes.TransportType) = "WCF-
WSHttp";
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1 Answer

  1. Editorial Team

    I ended up resolving my issue, but am still unsure of the reasoning for the behavior I saw.

    The Expression shape mentioned in the question was located inside of an Atomic Scope. Once the Orchestration exited the scope containing the Expression shape, the Transport Type was reset back to its original value. Moving the Expression out of the atomic scope resolved the issue, in that the TransportType was set correctly.

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