The image file must be accessible at boot time. If you use a UNC path, ensure the computer account ( DOMAIN\COMPUTERNAME$ ) has Read permissions. If the network isn't available during boot (e.g., VPN users), the policy fails silently, and you get a black screen.
As of Windows 11 version 24H2 (expected 2025), Microsoft is slowly deprecating classic GPOs in favor of and MDM . The lock screen policy is currently safe, but note:
The image file must be accessible at boot time. If you use a UNC path, ensure the computer account ( DOMAIN\COMPUTERNAME$ ) has Read permissions. If the network isn't available during boot (e.g., VPN users), the policy fails silently, and you get a black screen.
As of Windows 11 version 24H2 (expected 2025), Microsoft is slowly deprecating classic GPOs in favor of and MDM . The lock screen policy is currently safe, but note: windows 11 lock screen wallpaper gpo