Two-factor authentication (2FA) not working


You cannot logon to the Host using the one-time password from the mobile authenticator app. The 2-factor authentication (2-step verification) code is rejected as incorrect or the one-time password from the authentication app only starts working when the next OTP is already active.

Common issues and their solutions

The phone with the authenticator app is out of sync with the Host PC

Make sure the phone with the authenticator app and the Host PC both synchronize their time from an online source. Double check if the Windows Time Service (w32tm) is set up correctly on the Host machine.

Wrong token stored on the remote PC

The problem might occur if the wrong token is stored on the remote PC.

Try following these steps:

  1. Open the Windows Run dialog, type in regedit.exe to open the Windows registry editor.
  2. Locate the registry key HKEY_LOCAL_MACHINE\SOFTWARE\Usoris\Remote Utilities Host\Host\Parameters and delete it.
  3. Reinstall the Host from the vanilla Host installer or your custom Host installer.

Additional information

A discussion on the Microsoft community forum: How to force Windows 10 time to synch with a time server?

Tags: Security

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