![Question About Active Directory authentication port. - Discussions - Sophos Firewall - Sophos Community Question About Active Directory authentication port. - Discussions - Sophos Firewall - Sophos Community](https://community.sophos.com/cfs-file/__key/communityserver-discussions-components-files/126/5086.pastedimage1554458418998v2.png)
Question About Active Directory authentication port. - Discussions - Sophos Firewall - Sophos Community
![SCCM Firewall Ports Details Direction With DC Other Servers | Configuration Manager | Bi-direction HTMD Blog SCCM Firewall Ports Details Direction With DC Other Servers | Configuration Manager | Bi-direction HTMD Blog](https://www.anoopcnair.com/wp-content/uploads/2014/09/SCCM-2012-CAS-PSS-DC-Port-Details1.jpg)
SCCM Firewall Ports Details Direction With DC Other Servers | Configuration Manager | Bi-direction HTMD Blog
![Unable to join domain – 'The network path was not found' & Adding domain controller fails - Microsoft Q&A Unable to join domain – 'The network path was not found' & Adding domain controller fails - Microsoft Q&A](https://learn.microsoft.com/api/attachments/54820-download.png?platform=QnA)
Unable to join domain – 'The network path was not found' & Adding domain controller fails - Microsoft Q&A
![active directory - Can not promote server to domain controller because required ports are already in use - Server Fault active directory - Can not promote server to domain controller because required ports are already in use - Server Fault](https://i.stack.imgur.com/H6Pi4.png)
active directory - Can not promote server to domain controller because required ports are already in use - Server Fault
![SSO to domain resources from Azure AD Joined Devices - The MEGA Series - Part 4 - Configure the Network Policy Server - MSEndpointMgr SSO to domain resources from Azure AD Joined Devices - The MEGA Series - Part 4 - Configure the Network Policy Server - MSEndpointMgr](https://msendpointmgr.com/wp-content/uploads/2022/01/image-103-750x500.png)
SSO to domain resources from Azure AD Joined Devices - The MEGA Series - Part 4 - Configure the Network Policy Server - MSEndpointMgr
![Securely extend and access on-premises Active Directory domain controllers in AWS | AWS Security Blog Securely extend and access on-premises Active Directory domain controllers in AWS | AWS Security Blog](https://d2908q01vomqb2.cloudfront.net/22d200f8670dbdb3e253a90eee5098477c95c23d/2021/08/31/Architecture-considerations-Active-Directory-1.png)