Remote Desktop Connection Manager v3.21 rdp custom port

Noor Ilham bin Che Mat 6 Reputation points
2026-09-23T05:21:54.94+00:00

I have Server that set with RDP custom port XXXX . Can Remote Desktop Connection Manager v3.21 set RDP to custom port in the server setting?

Sysinternals
Sysinternals

Advanced system utilities to manage, troubleshoot, and diagnose Windows and Linux systems and applications.

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  1. AI answer

    2026-09-23T05:22:06.94+00:00

    Yes. Remote Desktop Connection Manager v3.21 supports a custom Remote Desktop connection port.

    In RDCMan, this is available under Local Options, which states that the remote desktop connection port can be specified.

    If the server is listening on a non-default RDP port, connect by using that custom port. For Remote Desktop clients, the server address can also be entered as hostname:port.

    If the server itself was changed to a custom listening port, make sure that:

    1. The RDP listener on the server was updated to the new port.
    2. Windows Firewall allows inbound TCP and UDP traffic on that new port.
    3. The client connects using the host name plus the custom port.

    Caution: changing the RDP listening port requires a registry change on the server and a restart, and incorrect registry edits can damage the system.

    AI-generated content may be incorrect. Read our transparency notes for more information.

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