Stratégie de groupe (GPO)
La stratégie de groupe est une fonctionnalité de Microsoft Windows Active Directory qui permet aux administrateurs de gérer les configurations des utilisateurs et des ordinateurs à partir d'un emplacement central.
La stratégie de groupe (GPO) est l'outil central de configuration des environnements Windows. Elle permet de définir et d'appliquer des règles de sécurité et des paramètres système à l'ensemble du parc informatique.
graph LR
Center["Stratégie de groupe (GPO)"]:::main
Pre_active_directory["active-directory"]:::pre --> Center
click Pre_active_directory "/terms/active-directory"
Rel_active_directory["active-directory"]:::related -.-> Center
click Rel_active_directory "/terms/active-directory"
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🧒 Explique-moi comme si j'avais 5 ans
📜 Imagine a school where the principal can write a set of rules on a master board, and those rules automatically appear in everyone's notebook. Group Policy is that board—it's how a boss sets the 'rules of the road' for every computer in the company at once.
🤓 Expert Deep Dive
Group Policy relies on the Client-Side Extensions (CSE) on each Windows machine to pull and apply settings from the KDC/Domain Controller. GPOs are stored in two parts: the Group Policy Container (GPC) in Active Directory (stores metadata) and the Group Policy Template (GPT) in the SYSVOL share (stores actual settings files like Registry.pol). For troubleshooting, administrators use tools like gpresult and rsop.msc to determine the Resultant Set of Policy. Modern cloud-managed environments often supplement or replace traditional GPOs with Microsoft Intune (MDM) policies, which use a different delivery mechanism but achieve similar configuration goals.