custom RDP port?

TheUnseen

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I tried to change the default remote desktop port from 3389 to some other 4 digit number.

I did this via regedit


  1. HKEY_LOCAL_MACHINE
  2. SYSTEM
  3. CurrentControlSet
  4. Control
  5. Terminal Server
  6. WinStations
  7. RDP-Tcp

I setup that port correctly as a port forwarder in my router. The original 3389 was working fine. However, the new 4 digit one is not strange enough (port forwarder is 'ok' according to one of those port forwarder checking sites). I tried to RDP from one network to my IP (confirmed correct) like this:

myipaddress:1234

1234 = being the actual port number I set up.

Of course, I do already have RDP enabled on both W7 laptops.

What could be the cause of the invalid connection? It was working fine on 3389 by for extra security measures, I changed it to something else.

I did restart the laptop as well.
 

My Computer

OS
W7
Did you change it on both machines?

And make sure that the Windows Firewall acknowledged allowing that port to be open for RD sessions on both machines as well?
 

My Computers

System One System Two

  • Computer type
    PC/Desktop
    Computer Manufacturer/Model Number
    The Beast Model A (homebrew)
    OS
    Windows 11 21H2 Current build
    CPU
    AMD Ryzen 9 3950X
    Motherboard
    MSI MEG X570 GODLIKE
    Memory
    4 * 32 GB - Corsair Vengeance 3600 MHz
    Graphics Card(s)
    EVGA GeForce RTX 3080 Ti XC3 ULTRA GAMING (12G-P5-3955-KR)
    Sound Card
    Realtek® ALC1220 Codec
    Monitor(s) Displays
    2x Eve Spectrum ES07D03 4K Gaming Monitor (Matte) | Eve Spec
    Screen Resolution
    3x 3840 x 2160
    Hard Drives
    3x Samsung 980 Pro NVMe PCIe 4 M.2 2 TB SSD (MZ-V8P2T0B/AM) } 3x Sabrent Rocket NVMe 4.0 1 TB SSD
    PSU
    PC Power & Cooling’s Silencer Series 1050 Watt, 80 Plus Plat
    Case
    Fractal Design Define 7 XL Dark ATX Full Tower Case
    Cooling
    SteelSeries Apex Pro Wired Gaming Keyboard
    Keyboard
    SteelSeries Apex Pro
    Mouse
    Logitech MX Master 3S | MX Master 3 for business
    Internet Speed
    AT&T LightSpeed Gigabit Duplex Ftth
    Antivirus
    Windows Defender + MB 3
    Browser
    Nightly (default) + Firefox (stable),Chrome, Edge
  • Computer type
    PC/Desktop
    System Manufacturer/Model Number
    Dell Latitude E5470
    OS
    ChromeOS Flex Dev Channel (current)
    CPU
    Intel(R) Core(TM) i5-6300U CPU @ 2.40GHz, 2501 Mhz, 2 Core(s), 4 Logical Processor(s)
    Motherboard
    Dell
    Memory
    16 GB
    Graphics Card(s)
    Intel(R) HD Graphics 520
    Sound Card
    Intel(R) HD Graphics 520 + RealTek Audio
    Monitor(s) Displays
    Dell laptop display 15"
    Screen Resolution
    1920 * 1080
    Hard Drives
    Toshiba 128GB M.2 22300 drive
    INTEL Cherryville 520 Series SSDSC2CW180A 180 GB SATA III SSD
    PSU
    Dell
    Case
    Dell
    Cooling
    Dell
    Keyboard
    Dell
    Mouse
    Logitech MX Master 3S (shared w. Sys 1) | Dell TouchPad
    Internet Speed
    AT&T LightSpeed Gigabit Duplex Ftth
shouldnt have to change it on both machines JG. May have to configure the custom port for the machine in windows firewall tho if enabled.

All same win 7 builds?

For good measure, configured the ports in the router? Double checked all services and dependencies as well?

taking into considerations that all user input is correct and above ideas looked at, it would be hard to say what the problem could possibly be.
 

My Computer

Computer Manufacturer/Model Number
CUSTOM
OS
XP/win7 x86 build 7127
CPU
Athlon64 X2 DUAL 4200+ 2.21ghz
Motherboard
ASUS K8 PRO SLI
Memory
2GB Dual Chan DDR2 Corsair
Graphics Card(s)
Nvidia 6800GT
Sound Card
nvidia
Monitor(s) Displays
19' LCD
Screen Resolution
1280x1024
Hard Drives
WD 250, 2x500, 2x1TB IDE/USB
WD 250 SATA (system)
SEAGATE 120 Sata
PSU
coolermaster 450
Case
SUPERFLOWER
Cooling
1 HDD bay fan, 5x80mm Case Fans, AEROGATE II Fan/Temp
Keyboard
MS wireless
Mouse
MS Wireless
Internet Speed
fassssssssst
you need to use a higher number, pick one above 4000 (it can be a 5 digit number as well) the lower numbered ports are used for other windows system processes.
 

My Computer

Computer Manufacturer/Model Number
Black_Box (homebuilt)
OS
windows 7 RTM x64
CPU
Phenom II 965 Quad Core 3.4Ghz
Motherboard
Asus M4A79T Deluxe
Memory
Mushkin Blackline 8GB (4x2gb)
Graphics Card(s)
XFX Radeon 5970 Black Edition
Sound Card
onboard
Monitor(s) Displays
Dell 2408WPF-main Dell E248WFP-secondary
Screen Resolution
1920x1200-main 1920x1200-secondary
Hard Drives
OCZ Vertex Limited Edition 100GB (OS)
x1 WD Black Edition 500GB drive (Storage)
PSU
XFX 850w Black Edition (Modular)
Case
Mountian Mods H2go
Cooling
CoolITSystems ECO A.L.C.
Keyboard
Logitech MX 5500 wireless keyboard
Mouse
Razor Copperhead
Internet Speed
16Mb down/2Mb up Wowway Cable Internet
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