# Whether or not to allow smartcard readers for login The login screen can optionally allow users who have smartcards to log in using those smartcards. - Type: dconf - Key: /org/gnome/login-screen/enable-smartcard-authentication - Default: true Note: default system value is used for "Not Configured" and enforced if "Disabled". Supported on Ubuntu 20.04, 22.04, 24.04, 24.10. **Metadata** | Element | Value | | --- | --- | | Location | Computer Policies -> Ubuntu -> Login Screen -> Authentication -> Whether or not to allow smartcard readers for login | | Registry Key | Software\Policies\Ubuntu\gdm\dconf\org\gnome\login-screen\enable-smartcard-authentication | | Element type | boolean | | Class: | Machine |