Failed to register. Proxy Authentication Required / Protocol Violation

This error is typically associated with security settings in the network, firewall, our router.

1. Register with a Proxy

Recommended Method

  1. On the registration area, click on Proxy Settings
  2. Enter the server address and login credentials to a proxy of your choice.
  3. Register your SeoTools license.

Alternative Solution

Create a config file named EXCEL.EXE.config in your Office installation folder (for Windows 7 and Office 2010: C:\Program Files (x86)\Microsoft Office\Office14\) with the following contents:

<?xml version="1.0" encoding="utf-8" ?>
<configuration>   
  <system.net>
    <defaultProxy enabled="true" useDefaultCredentials="true">       
      <proxy usesystemdefault="true" bypassonlocal="true"/>
    </defaultProxy>
  </system.net>
</configuration>

Then restart Excel!


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