Domain Trust Firewall Ports

Here are some of the ports that you will need to open on both ends if you want to configure a domain trust across the firewall.

Domain trust firewall ports. When creating trust relationships communications between the two domains is carried out over a number of protocols with each protocol using different tcp ip port. Trying to setup a domain trust between two different domains i came across microsoft s recommended ports that needed to be allowed which id fine. The following ports need to be opened if you have once of the following. Then run the domains trusts option between dcs or between dcs and any machine other servers you want to promote or even from a client machine or from the bridgeheads in each site to the other bridgehead in the other site pretty much anywhere that you want to test if there are any blocked ad ports.

Below is a list of ports which need to be enabled on the firewall for a trust relationship. Service overview and network port requirements for the windows server system for the operation of the trust this port is not required it is used for trust creation only. Netbios ports as listed for windows nt are also required for windows 2000 and windows server 2003 when trusts to domains are configured that support only netbios based communication. My question is that some of them need a very large range ports and i am just trying to narrow the ports as network will not open hundreds of ports.

I m going to establish a trust between two separate domains w2k3 r2. Therefore ports rules may have to be mirrored. Examples are windows nt based operating systems or third party domain controllers that are based on samba. A mixed mode domain with either nt domain controllers or legacy clients 2.

I d like to confirm what ports on the firewall need to be opened to allow. Trust relationship between two win2k based or between two win2k3. Port 135 tcp or udp for remote procedure call rpc service. For file sharing across the two domains i came across this post which illustrates a firewall configuration which supports creating the trust.

For the two servers to establish a trust between them 2. The firewall ports will be opened one by one from 172 16 1 0 24 to 10 10 10 0 24 to verify the actual ports required firewall ports required to join ad domain minimum windows 10 client can join to windows 2019 ad domain with the following ports allow in firewall.