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Skumar_CCSAFlag for India

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active directory forest trust firewall ports info

Dear Experts.

Need help on firewall ports requirment.

I have two different forest tbd.nal.nl and nsk.pwd.uk entity within same organization (no child domain).
Request experts help to suggest what are the ports minimally required for forest trust to work.

1. List of ports to be open in firewalls for forest trust.
2. Ports to open between forest domain controllers tbd.nal.nl and nsk.pwd.uk.
3. Do we require to ports to open tbd.nal.nl clients to forest nsk.pwd.uk domain controllers and viseversa, if yes can help us list of ports to open.
Avatar of Iamthecreator
Iamthecreator
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Different server versions have different port requirements

Please find below the link to the MS article

How to configure a firewall for domains and trusts
https://support.microsoft.com/en-us/help/179442/how-to-configure-a-firewall-for-domains-and-trusts
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