If enabled, the client only accepts Duo Bypass codes for the Passcode authentication method. Prevents use of passcodes generated by the Duo Mobile app, hardware tokens, or received via SMS, even when those authentication methods are enabled in the Duo Admin Panel.
Default: Disabled.
| Registry Hive | HKEY_LOCAL_MACHINE |
| Registry Path | SOFTWARE\Wow6432Node\Policies\Duo Security\Epic |
| Value Name | GuiPermitOnlyDuoBypass |
| Value Type | REG_DWORD |
| Enabled Value | 1 |
| Disabled Value | 0 |