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RickyR  
#1 Posted : Thursday, May 15, 2025 4:39:06 AM(UTC)
RickyR

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Joined: 5/15/2025(UTC)
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Man
United Kingdom
Location: Isle of Man

Hey there,

We have streamed to Vimeo for years but yesterday could not connect whatsoever. we tried 3 different computers but none of them would connect and showed the same error.
In the end we had to use OBS which connected straight away with the same settings/key etc. i'll paste the error log below if anyone has any ideas. Much appreciated.

FFMPEG1.Exited
Streaming
[rtmp @ 0b1c9b80] Cannot open connection tcp://placeholder.example.com:1935
rtmp://placeholder.example.com/: I/O error

Report written to "C:\ProgramData\vMix\streaming\streaming1 20250514-193806.log"
ffmpeg version 3.3.git Copyright (c) 2000-2017 the FFmpeg developers
built with gcc 4.8.1 (rev2, Built by MinGW-W64 project)
configuration: --enable-gpl --enable-version3 --enable-libx264 --enable-zlib --enable-nvenc --cpu=i686
libavutil 55. 76.100 / 55. 76.100
libavcodec 57.106.101 / 57.106.101
libavformat 57. 82.101 / 57. 82.101
libavdevice 57. 8.101 / 57. 8.101
libavfilter 6.105.100 / 6.105.100
libswscale 4. 7.103 / 4. 7.103
libswresample 2. 8.100 / 2. 8.100
libpostproc 54. 6.100 / 54. 6.100
Guessed Channel Layout for Input Stream #0.1 : stereo
Input #0, dshow, from 'video=vMix Video YV12:audio=vMix Audio':
Duration: N/A, start: 862811.855000, bitrate: 1536 kb/s
Stream #0:0: Video: rawvideo (YV12 / 0x32315659), yuv420p, 1920x1080, 30 fps, 30 tbr, 10000k tbn, 10000k tbc
Stream #0:1: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
[tcp @ 0b1c9fe0] Failed to resolve hostname placeholder.example.com: The name does not resolve for the supplied parameters
[rtmp @ 0b1c9b80] Cannot open connection tcp://placeholder.example.com:1935
rtmp://placeholder.example.com/: I/O error
kross  
#2 Posted : Thursday, May 15, 2025 4:47:29 AM(UTC)
kross

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Looks like in your stream settings, you chose "Custom RTMP Server" for the destination instead of "Vimeo", but didn't actually put in the proper RTMP server address. It shows "placeholder.example.com" which you are supposed to replace with the correct address.
RickyR  
#3 Posted : Thursday, May 15, 2025 4:52:10 AM(UTC)
RickyR

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Joined: 5/15/2025(UTC)
Posts: 3
Man
United Kingdom
Location: Isle of Man

Originally Posted by: kross Go to Quoted Post
Looks like in your stream settings, you chose "Custom RTMP Server" for the destination instead of "Vimeo", but didn't actually put in the proper RTMP server address. It shows "placeholder.example.com" which you are supposed to replace with the correct address.


So weirdly, we have had the RTMP settings in as custom RTMP (rtmps://rtmp-global.cloud.vimeo.com:443/live) but also tried via the vimeo option too and still get the same error with that example address in it
RickyR  
#4 Posted : Thursday, May 15, 2025 5:12:42 AM(UTC)
RickyR

Rank: Newbie

Groups: Registered
Joined: 5/15/2025(UTC)
Posts: 3
Man
United Kingdom
Location: Isle of Man

so just to follow up, we have got it working now.
I've deleted the stored streams we had under custom RTMP and re-added them, and it works.

when we used the vimeo drop down and selected our test stream settings it didn't work. I take it that VMix pulls the available stream information from the live broadcasts we had scheduled within vimeo? if this is the case then i have no idea why the example url was showing.

We've always just used the custom RTMP option and pasted the URL and stream keys in, just so we can visually cross reference the characters in each before going live.
kross  
#5 Posted : Thursday, May 15, 2025 5:44:58 AM(UTC)
kross

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I operate the same way. I always use custom RTMP server, even though I stream to YouTube and could just use the YouTube selection. Why? I don't know, I guess I just like copy/pasting the URL and stream key from the YouTube site. :)

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