wcf - Windows Communication Foundation Callbacks -

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i have wcf callback server.the server invokes callbacks on registered clients every 2 seconds. after few hours, communication channel on client gets aborted , client stops receiving callbacks. no exception thrown on server side. if restart client without restarting server; , client starts receive callbacks again. not sure causing callback channel on client side abort. note no exception thrown on server side. restarting client solves problem , client starts receiving callbacks again, not sure why callback channel on client side getting aborted in first place after few hours. suggestions helpful. thanks.


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