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WSAECONNREFUSED on Windows Server 2003

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Subject Author Date
WSAECONNREFUSED on Windows Server 2003 Valerie Hough 08-11-2005
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Posted by Valerie Hough on August 11, 2005, 4:04 pm
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Hi,

I have a C# .NET server task that listens after being run on a Windows 2003
Server Desktop. My client tasks try to connect to this server task by
creating a socket connection with the following parameters:
AddressFamily.InterNetwork,
SocketType.Stream,
ProtocolType.Tcp,
"serverTaskComputerName",
serverTaskSocketPortNumber

If my clients try and connect from any workstation that is a memger of the
domain, they work fine. If they try and connect from the server itself, the
connection fails in EndConnect with the "No connection could be made because
the target machine actively refused it" message.

Both client and server tasks are always being run logged on as
Administrator.

It seems as though if this were related to security settings on the server,
then the connection would fail from the workstations as well.

Does anyone know what the cause of this might be?

Thank you in advance.

Valerie Hough




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