Following Are The Rules Regarding Group Policy Inheritance:
Answer»
A policy setting is CONFIGURED (Enabled or Disabled) for a parent OU, and the same policy setting is not configured for its child OUS. The child OUs inherit the parent’s policy
A policy setting is configured (Enabled or Disabled) for a parent OU, and the same policy setting is configured for its child OUs. The child OUs settings OVERRIDE the settings inherited from the parent’s OU
If any policy is not configured, no inheritance TAKES place
COMPATIBLE policy settings configured at the parent and child OUs are accumulated.
Incompatible policy settings from the parent OU are not inherited.