Two-factor authentication (2FA) not working


You cannot logon to Host using a one-time password from the mobile authenticator app. Viewer says that the one-time password (2FA code) is incorrect.


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.

Also, this problem might occur if a wrong token is stored on the remote PC. Follow 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 Host.

Additional information

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

Tags: Security

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