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Editorial Team
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Asked: 2026-05-21T02:51:23+00:00

I have an async WCF service implementation and I want to detect when the

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I have an async WCF service implementation and I want to detect when the client aborts the connection during a WCF method call.

Basically, this is what I want:

  1. Client calls WCF method
  2. Server begins processing the request asynchronously
  3. Client aborts the connection (or the connection fails for whatever reason)
  4. Server should be notified that the client aborted the connection

Is this possible?

This is for a long-polling implementation. Alternatively, can the server make sure that the client received the response successfully? If it didn’t, the response should be saved for the next poll request.

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1 Answer

  1. Editorial Team

    I don’t know any reliable way of knowing that client is connected or not. See this,this and this

    Some of the alternative suggested are to use Duplex channels or use Queues. A Queue based solution would have server posting response to queue and client picking those responses from the queue. The queue can be implemented in MSMQ, DB, Azure.

    Thanks

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