Computer not updating group policy
Some settings - such as those for automated software installation, drive mappings, startup scripts or logon scripts - only apply during startup or user logon.
Since Windows XP, users can manually initiate a refresh of the group policy by using the A policy setting inside a hierarchical structure is ordinarily passed from parent to children, and from children to grandchildren, and so forth. It can be blocked or enforced to control what policies are applied at each level.
To accomplish the goal of central management of a group of computers, machines should receive and enforce GPOs.
Microsoft bought Policy Maker and then integrated them with Windows Server 2008.