Hello נתן בן ציון - Ben-zion Natan nir,
Thank you for posting in Microsoft Community forum.
You should open ports below:
UDP and TCP Port 135 for domain controllers to domain controller and client to domain controller operations.
UDP Port 389 for LDAP to handle normal queries from client computers to the domain controllers.
TCP and UDP Port 464 for Kerberos Password Change.
TCP and UDP Port 53 for DNS from client to domain controller and domain controller to domain controller.
UDP Port 88 for Kerberos authentication.
TCP Port 139 and UDP 138 for File Replication Service between domain controllers.
TCP and UDP Port 445 for File Replication Service.
TCP Port 3268 and 3269 for Global Catalog from client to domain controller.
Network Ports 123 Used by Windows Time Service.
And other ports on client:
https://filestore.community.support.microsoft.com/api/images/ad60fb7c-d5a7-47e5-8553-dd0bfbeb1014?upload=true&fud_access=wJJIheezUklbAN2ppeDns8cDNpYs3nCYjgitr%2BfFBh2dqlqMuW7np3F6Utp%2FKMltnRRYFtVjOMO5tpbpW9UyRAwvLeec5emAPixgq9ta07Dgnp2aq5eJbnfd%2FU3qhn54Ui9c7IY3%2BVaDGM794ieFEWFOTytTrMKy7m1XQpeIKlfhHZvv6qxFNypZh8EVO%2BjzMgLRnj7SrY%2FjVoV7qs8fDiK994oMxVrhrFAMYDcU%2FzpcP6azl%2B2KkdleyterOP4jq2cxH4NDkW%2FTRqu9cE8NZj1nt2eSoBbeVp5OEzTBzjvCO2eh%2BEoyxoU3hwSG0Ww7GOACYidau9iSAqrrIio4qnLWvEZof0uqH8v0lA8mFFi0tnwunRXEzajWLd7h0i5J1KQeI4JZadBvdmO6H90TA5bS1XdiZqZV%2FnHGh0TQCm0%3D
Similar thread.
Active directory domain controler to Client require ports - Microsoft Q&A
For more information, please read links below.
Configure firewall for AD domain and trusts - Windows Server | Microsoft Learn
Active Directory and Active Directory Domain Services Port Requirements | Microsoft Learn
Active Directory Replication over Firewalls | Microsoft Learn
I hope the information above is helpful.
If you have any question or concern, please feel free to let us know.
Best Regards,
Daisy Zhou