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Active Directory GPO apply to forest

How to apply GPO to whole forest?

1. Open GPMC (Group Policy Management Console) and create a GPO for a single domain.

2. Link the GPO to other domains in the forest.
   Right click each domain and select "Link an Existing GPO Here" then select the GPO that will be applied to all domains in the forest.

3. If everything works fine, then you're a lucky man.


Before rolling out a GPO create a test Organizational Unit and create Active Directory user accounts for test purposes.

Then apply the GPO to the OU.

If it works properly then there's a good chance that it will work smoothly to all users but it's not a guarantee that it will work correctly to all users.

If the GPO is critically needed to be applied to all users and testing works okay, roll out the GPO and troubleshoot issues that may occur.

If no problem arises, then drink a cup of coffee and consider yourself "lucky".

If the GPO is not yet tested and you are not sure whether it will havoc the Active Directory network, be sure to include filtering and apply it to a single user or to a specific OU.

Never include "Authenticated Users" for GPO filtering if applying a GPO that has not yet been tested, it will be a chaos if the GPO causes problem to users.

"Authenticated Users" as the name implies, GPO will be applied to all authenticated domain users or basically to all Active Directory users currently authenticated.


Cheers!!till next time.

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