https://forge.codesys.com/forge/talk/Engineering/thread/94a82675c4/2026-03-19T03:58:22.897000ZRecent posts to No connection could be made because the target machine actively refused it2026-03-19T03:58:22.897000Z2026-03-19T03:58:22.897000Zsurroundbriefhttps://forge.codesys.com/u/surroundbrief/https://forge.codesys.coma9872a6227682bc3cdcf235fb2f4a969ce5666df

<div class="markdown_content"><p>Hi, based on your description (device reachable via ping but <a class="" href="https://dashmetry.com/" rel="nofollow">Geometry Dash</a> connection actively refused), it sounds like the issue is likely not network-level but service-level on the target machine.<br/> Which port is Deploy Control SL trying to connect to? Have you confirmed it is open and listening?</p></div>

2026-03-10T19:09:27.457000Z2026-03-10T19:09:27.457000Zeschwellingerhttps://forge.codesys.com/u/eschwellinger/https://forge.codesys.coma1e889ae42f497323877260020fe4414ef7125a6

<div class="markdown_content"><p>if you try to login by a ssh client, does this work?</p></div>

2026-03-10T17:05:48.025000Z2026-03-10T17:05:48.025000Zinfinitetoolhttps://forge.codesys.com/u/infinitetool/https://forge.codesys.com480adbd132514dc6bbfce65d0ff08db5a07dacb0

<div class="markdown_content"><p>Hi! I'm having trouble connecting to a device in Deploy Control SL. I'm able to see the device is available during a scan, and I can ping the device as well, but when I try to connect I get the message "No connection could be made because the target machine actively refused it". I've worked on this for hours including turning off the firewall on the device PC but nothing seems to work. The device is running a fresh install of Windows 11 IoT Enterprise 2024 and the Development System is 3.5.21.50 running on Windows 11. Thank you in advance for any ideas!</p></div>