# Number of allowed authentication failures The number of times a user is allowed to attempt authentication, before giving up and going back to user selection. - Type: dconf - Key: /org/gnome/login-screen/allowed-failures - Default: 3 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 -> Number of allowed authentication failures | | Registry Key | Software\Policies\Ubuntu\gdm\dconf\org\gnome\login-screen\allowed-failures | | Element type | decimal | | Class: | Machine |