Server 2016 remote desktop port windows#
Information for Terminal Server in Windows Server 2008 is at: The ports used have not changed in Widows Server 2012 | R2. TCP 389|636: Active Directory communication. 
TCP 5504: connection to RD Connection Broker for centralized publishing. If RD Web Access is on perimeter network. TCP|UDP 3389: RDP (NOTE: Firewalls that have directional UDP analysis, such as TMG, require UDP “Send Receive” configured in the UDP protocol). For internal traffic from the Gateway and the Internal Remote Desktop resources. UDP 1812, 1813: If NPS Server is being used. TCP 21: If using FTP for Certificate Revocation List (CRL). TCP 80: If using HTTP for Certificate Revocation List (CRL). 
TCP|UDP 389: If using LDAP for Certificate Revocation List (CRL).TCP|UDP 53: Internal resource name resolution, DNS.TCP|UDP 389: LDAP for user authentication.TCP:, Port on which NTDS RPC services listens on AD.TCP 88: Kerberos for user authentication.For internal traffic between the Gateway and the required User AD, Resource AD, DNS, NPS etc:.UDP 3391: RDP/UDP (configurable using RD Gateway Management console) (NOTE: Firewalls that have directional UDP analysis, such as TMG, require UDP “Send Receive” configured).TCP 443: HTTP (includes RPC over HTTP) over SSL – (configurable using RD Gateway Management console).For inbound external internet based traffic from RD Clients to the Gateway:.TCP 5985: WMI and PowerShell Remoting for administration.TCP 445|RPC: connection to RD Session Host.TCP 445|RPC: connection to RD Virtualization Host.TCP 3389: client port for clients not using RD Gateway.TCP 3389: connection to non-managed VM pools, managed machines use VMBus to open port.
TCP 3389: connection to RD Session Host. Remote Desktop Connection Broker (RDCB). Can be configured on host and client to a different port number. The information / taxonomy is broken down by role service/component, and lists all inbound/outbound ports used. I hope it helps in solving your problem.To configure Remote Desktop Services correctly for internet access or any time where firewalls are used, it is useful to know what ports are required. You must restart your computer to take effect. Navigate to this key, right-click export and save with name termser.regĬomputer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\TermServiceĬopy and put the termser.reg somewhere on the Non-Work machine, open the command prompt with admin right then do a command below to add the reg file to your machine. From the menu start of the Work Machine, search and open Registry Editor. To get it to fix by export the TermService registry key from the work machine to the non-work machine. I try another computer with the same Windows version, try to compare between 2 computers, I figure out that in the services.msc of the non-work machine is missing Remote Desktop Services. From the menu start, search and open Windows Defender Firewall with Advanced Security.Ĭheck the Action column, it must be AllowĪfter checking all the necessary stuff for using the remote desktop service. I also check and make sure the remote desktop service has been Turned-on, go to Windows Settings by pressing Windows key + I, then click System > Remote Desktop.īoth TCP & UDP of Remote Desktop should be allowed by Windows Defender Firewall. In fact, the remote desktop port is not listening. As you can see I have used the netstat command for checking the listening port. It means the remote desktop service may be hung or stopped.Īnother check from the faulty machine. If you see the error message Connecting to your IP address… Could not open connection to the port, on port 3389: Connect failed. I will do a command to see the 3389 is ready or not. 
By default, the Remote Desktop port is 3389. I use the command prompt from another device to troubleshoot by using the telnet command. Let get started to work around the issue.
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