A computer with the Jamf Connect login window installed can become locked out due the following:
Users cannot successfully authenticate to your identity provider (IdP).
The Require Network Authentication (
DenyLocal) setting in Jamf Connect is enabled, which prevents users from using local authentication.
You can regain access to the computer by disabling Jamf Connect using one of the following methods:
Run a Jamf Pro policy to disable Jamf Connect.
Use macOS recovery to reset the macOS authentication database.