This policy setting allows you to configure client computers to lock and prompt for a password when resuming from a hibernate ...

This policy setting allows you to configure client computers to lock and prompt for a password when resuming from a hibernate or suspend state.

If you enable this policy setting, the client computer is locked and prompted for a password when it is resumed from a suspend or hibernate state.

If you disable or do not configure this policy setting, users control if their computer is automatically locked or not after performing a resume operation.