8018000a Enrollment Error in Azure AD or Entra ID and How to Join

If you are getting This device is already enrolled 8018000A error when trying to join a Windows 10 or Windows 11 computer to Azure AD or Microsoft Entra ID. Open Regedit and look in HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Enrollments – below this key you will find other subkeys with xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx where each x is a hexadecimal number check each … Continue reading 8018000a Enrollment Error in Azure AD or Entra ID and How to Join