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Editorial Team
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Asked: 2026-06-06T02:16:03+00:00

I have a c# WCF web service which is a server and I do

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I have a c# WCF web service which is a server and I do have 2 clients one is java client and another is c++ client. I want both the clients to run at the same time. The scenario I have and am unable to figure it out is:

My java client will be making a call to the WCF web service and the processing time might take around 10 mins, meanwhile I want my c++ client to make a call to the web service and the get the response back. But right now I am just able to make a call to web service using c++ client when the java client request is being processed. I am not getting the response back for c++ client request until java client request is completed.

Can any one please suggest me how to make this work parallel. Thanks in advance.

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  1. Editorial Team

    Any “normal” WCF service can most definitely handle more than one client request at any given time.

    It all depends on your settings for InstanceContextMode:

    • PerSession means, each session gets a copy of the service class to handle a number of requests (from that same client)

    • PerCall means, each request gets a fresh copy of the service class to handle the request (and it’s disposed again after handling the call)

    • Single means, you have a singleton – just one copy of your service class.

    If you have a singleton – you need to ask yourself: why? By default, PerCall is the recommended setting, and that should easily support quite a few requests at once.

    See Understanding Instance Context Mode for a more thorough explanation.

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