I got below error, when I create/update an existing multimedia Component in SDL Web 8.5.

The socket connection was aborted. This could be caused by an error processing your message or a receive timeout being exceeded by the remote host, or an underlying network resource issue. Local socket timeout was '00:00:59.9840000'.

enter image description here

  • how big is your image? I believe by default there's a 32MB limit. Bigger than that, you'll need to update the timeout settings
    – Robert Jin
    Commented Apr 10, 2017 at 22:14
  • @Reboert: Image size is 7kb only. Commented Apr 10, 2017 at 23:28
  • Hi @SudhakarRao. We are seeing a similar issue on 8.5. Did you find a resolution to this? Commented Jun 13, 2018 at 11:25

1 Answer 1


I recently had the same problem as this and resolved it by adding the maxBufferSize attribute to the StreamDownload_netTcpBinding and StreamUpload_netTcpBinding bindings in the %TRIDION_HOME%\bin\TcmServiceHost.exe.config file.

After the change the configuration was as follows:

<binding name="StreamDownload_netTcpBinding" maxBufferSize="524288" maxReceivedMessageSize="2147483647" transferMode="StreamedResponse" sendTimeout="00:10:00"/> <binding name="StreamUpload_netTcpBinding" maxBufferSize="524288" maxReceivedMessageSize="2147483647" transferMode="StreamedRequest" receiveTimeout="00:10:00"/>

This had the effect of increasing the buffer size from its default 65,536 bytes to 524,288 bytes (~500KB).

This problem only occurred when users were members of groups that did not have their membership scope set to All Publications and the problem appears to be due to the request header size.

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