- Log in to Jamf Now.
- Click Blueprints.
- Select the desired blueprint, and then click Security.
- Select the Require Passcode checkbox.
- Set a passcode on each device.
- Navigate back to the desired blueprint, then click , and select the Prevent Changes to Passcode checkbox.
To fix this, navigate back to the blueprint and disable Prevent Changes to Passcode. Wait a few minutes for the security settings to show "Applied", and then re-enable Prevent Changes to Passcode.