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Editorial Team
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Asked: 2026-05-23T15:39:04+00:00

I have WCF service running on netTcpBinding, everything fine I have some more functions

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I have WCF service running on netTcpBinding, everything fine I have some more functions and classes to the Service when I am updating my Service Reference at client project(WPF project) it gives an error :-

Error: Cannot obtain Metadata from
net.tcp://localhost:6001/Admin/mex If
this is a Windows (R) Communication
Foundation service to which you have
access, please check that you have
enabled metadata publishing at the
specified address. For help enabling
metadata publishing, please refer to
the MSDN documentation at
http://go.microsoft.com/fwlink/?LinkId=65455.WS-Metadata
Exchange Error URI:
net.tcp://localhost:6001/Admin/mex
Metadata contains a reference that
cannot be resolved:
‘net.tcp://localhost:6001/Admin/mex’.
Could not connect to
net.tcp://localhost:6001/Admin/mex.
The connection attempt lasted for a
time span of 00:00:00.9039880. TCP
error code 10061: No connection could
be made because the target machine
actively refused it 127.0.0.1:6001.
No connection could be made because
the target machine actively refused it
127.0.0.1:6001

I have valid endpoint added for Mex Endpoint in my config and even Reader Quota has been set to maximum. Any solution for this ?

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1 Answer

  1. Editorial Team

    Aha!! Finally got an answer. Though nobody has posted any answer, i am answering my question because some one like me, if searching for this problem he gets proper solution to it.

    This is a known issue with WCF.

    http://social.msdn.microsoft.com/forums/en-US/wcf/thread/17592561-c470-452a-a52c-2a5a2839582c/

    Secondly we can fix it by changing configs

    http://geekswithblogs.net/claraoscura/archive/2007/08/20/114806.aspx

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