Sophos Home - Installation Unsuccessful - Failed to register with the Sophos server

By Sophos Home Support


Applies to: Sophos Home (Windows)

You receive the following message when installing Sophos Home "Installation Unsuccessful. Failed to register with the Sophos server." 



  • An extended characters (such as å, ä, ö, ü, ë, etc.) is present in the computer name.


Solution 1 - Extended characters
If you are using extended characters: Rename the computer so that it does not contain any extended characters. 
Visit Microsoft's website for additional assistance renaming your devices: Rename your Windows 10 PC

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