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Skype for Business - Active Directory ports

Paweł Szajnar 21 Reputation points
2022-03-15T08:16:06.95+00:00

Hello!
I was trying to find information regarding the ports which should be open between Skype for Business 2019 infrastructure and Active Directory but i couldn't find any information regarding it :/

https://learn.microsoft.com/en-us/skypeforbusiness/plan-your-deployment/security/active-directory-domain-services

https://learn.microsoft.com/en-us/skypeforbusiness/plan-your-deployment/network-requirements/ports-and-protocols

https://learn.microsoft.com/en-us/skypeforbusiness/technical-diagrams

Does anyone knows which ports should be open and in which direction between Skype for Business 2019 (Front End/Directors servers) and Active Directory servers?
Thanks for the help!
Best Regards

Windows for business | Windows Client for IT Pros | Directory services | Active Directory
Microsoft 365 and Office | Skype for Business | Windows
Microsoft 365 and Office | Skype for Business | Windows

A Microsoft communications service that provides communications capabilities across presence, instant messaging, audio/video calling, and an online meeting experience that includes audio, video, and web conferencing.

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Thameur-BOURBITA 36,526 Reputation points Moderator
2022-03-15T10:30:14.447+00:00

Hi,

You can refer to the link to get the list of required network to be opened with domain controllers:

config-firewall-for-ad-domains-and-trusts

Regarding the network flows for FRS and DFS service are required only between domain controller to ensure the sysvol and Ad replication.

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  1. Paweł Szajnar 21 Reputation points
    2022-03-15T10:43:01.473+00:00

    Thank you for quick answer!

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