Remoting - unregister channel problem

hello

having problem trying to unregister remoting channel (.NET 2.0/XP) - error:

Code:

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System.Net.Sockets.SocketException : Only one usage of each socket address (protocol/network address/port) is normally permitted

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On server side, I created the channel by:

Code:

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TcpChannel oTcpChannel = new TcpChannel(AppContext.DefaultRemotingInterfacePort); ChannelServices.RegisterChannel(oTcpChannel, true);
RemotingConfiguration.RegisterWellKnownServiceType(typeof(Util.MyRemoteObj, "TcpRemoteObj", WellKnownObjectMode.Singleton);

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Then I try to close and restart channel (as part of application re-initialization rountine - this means process never actually exited and that would be undesirable)

Code:

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ChannelServices.UnregisterChannel(oChannel);
TcpChannel oChTcp = (TcpChannel)oChannel; oChTcp.StopListening(null);

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I have no clue how to get around this at the moment - I Googled a bit seems like many people are running into this problem but no solution yet. Many suspected OS (or .NET) failed to release socket on UnregisterChannel until application/process exit. But I don't want to exit the app, just want to reinitialize remoting as part of re-init routine.

Any suggestion? Many thanks!