You can block inheritance for a domain or organizational unit. Blocking inheritance prevents Group Policy objects (GPOs) that are linked to higher sites, domains, or organizational units from being automatically inherited by the child-level.
 | To block inheritance |
In the Group Policy Management Console (GPMC) console tree, double-click the forest containing the domain or organizational unit (OU) for which you want to block inheritance for GPO links, and then do one of the following:
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To block inheritance of the GPO links of an entire domain, double-click Domains, and then right-click the domain.
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To block inheritance for an OU, double-click Domains, double-click the domain containing the OU, and then right-click the OU.
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To block inheritance of the GPO links of an entire domain, double-click Domains, and then right-click the domain.
Click Block Inheritance.
Additional considerations
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To complete this procedure, you must have Link GPOs permission for the domain or OU.
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If a domain or OU is set to block inheritance, it will appear with a blue exclamation mark in the console tree.
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GPO links that are enforced cannot be blocked from the parent container.