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How to troubleshoot port binding errors on Thinfinity Remote Desktop

In this guide, we will explain how to troubleshoot port binding errors in Thinfinity Remote Desktop.

A port binding is the configuration information that determines where and how a message will be sent or received. Some binding errors on the Thinfinity Remote Desktop log will show an error on the landing page.

The most common errors are:

Binding port:8443 with error:5

Binding port:8443  with error:183

In this case, we’ll use the default port for VirtualUI, port 8443, as an example.

This would apply to any port assigned on the General tab of the Remote Desktop Manager.

By clicking on the Show Log button found in the bottom left corner of the VirtualUI Manager window, you’ll display the log. If you see error 183,  please follow these steps:

  1. Open Command Prompt window as an Administrator and type:

netsh http show urlacl | find “8443” (or the port configured on Remote Desktop)

  1. This will result in something similar to the screenshot below:

Reserved URL: https://*:8443

  1. Use the following command to unbind this port:

netsh http delete urlacl url=http://*:8443/

Bear in mind, the URL has to match the one listed as Reserved URL

For binding error 5, you’ll  need to follow these steps:

  1. Open a Command Prompt window as an administrator and type:

netstat -ano | find “8443”

  1. This should return something  similar to the screenshot below:

How to troubleshoot port binding errors on Thinfinity Remote Desktop - 04
The last column lists the PID (process ID), which can be used to check which process is occupying this port, like so:

Keep in mind that Thinfinity uses ‘http.sys’ as a Microsoft web service component, and as such, it will be named as “System”.

If you have any questions, please email us at support@cybelesoft.com.

Regards!

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