The rule is simple: As the client moves down this chain, any setting applied by a later step overwrites the same setting from a previous step. Therefore, the OU-linked GPOs have the highest precedence (they are applied last), while the Local GPO has the lowest precedence (it is applied first and easily overwritten).
In the GPMC, you can right-click any OU or object and select "Group Policy Results." This wizard simulates the precedence calculation for a specific user/computer pair and shows you the winner. gpo precedence
: Policies linked at the domain level follow site policies. This includes the "Default Domain Policy". The rule is simple: As the client moves
