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Support for connecting to a headless endpoint (windows computer without a monitor plugged in).

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joelcrburgess
  • updated
  • Pending Review

Currently there is no support for connecting to a headless endpoint (windows computer without a monitor plugged in). This is a big problem, as we are in the middle of moving from Bomgar to Control and now we realize that we can't support many of our client's servers or even Win10 computers who are headless. Even though the client has no monitor connected, we should still be able to see the Explorer GUI, other remote support apps certainly can do this. This is a HUGE feature-lack.

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Pablohere

Ron try using this command instead for the first line:

Cmd.exe /c deviceinstaller64 install usbmmidd.inf usbmmidd

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0
zaeboe
Quote from Pablohere

Ron try using this command instead for the first line:

Cmd.exe /c deviceinstaller64 install usbmmidd.inf usbmmidd

Hey Pablohere - all commands worked until the deviceinstaller and your alternate command did the trick. Many thanks!

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0
zaeboe
Quote from Tier3supdude
We found running this in Powershell will fix the issue. You can connect to backstage to run the powershell commands, and then swap to the console and the display should be responsive.

mkdir C:\temp
cd C:\temp
Invoke-WebRequest https://www.amyuni.com/downloads/usbmmidd_v2.zip -O usmb.zip
tar -xf .\usmb.zip
cd .\usbmmidd_v2\
.\deviceinstaller64.exe install .\usbmidd.inf usbmmidd
.\deviceinstaller64.exe enableidd 1

Thanks so much. This worked!

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Sam Segura

I had partial results. Host page is launched in Chrome on a Dell Desktop, client version: 
23.9.8.8811

Worked = normal usage of session screen
FAILS = A screen is visable.  But only way to update any dialog boxes (like Windows Explorer or any other box) is to use Toolbar, Cntrl-Alt-Del and then press Cancel

Tested this with 
DELL OptiPlex 3020M Micro - Intel HD 4600 integrated.  Worked

DELL 3630 Precision with Nvidia GTX 1080 - FAILS
DELL 3630 Precision with Radeon RX 460 - FAILS 

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0
Sam Segura
Quote from Sam Segura

I had partial results. Host page is launched in Chrome on a Dell Desktop, client version: 
23.9.8.8811

Worked = normal usage of session screen
FAILS = A screen is visable.  But only way to update any dialog boxes (like Windows Explorer or any other box) is to use Toolbar, Cntrl-Alt-Del and then press Cancel

Tested this with 
DELL OptiPlex 3020M Micro - Intel HD 4600 integrated.  Worked

DELL 3630 Precision with Nvidia GTX 1080 - FAILS
DELL 3630 Precision with Radeon RX 460 - FAILS 

UPDATE 2024-04-20

Installed DisplayPort dummy plug, resolved issues immediately.  I used this:

Display Port Emulator EDID Plug Headless 2560 X 1600 60Hz
https://www.ebay.com/itm/164856646482

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0
Zanthexter
Quote from Sam Segura

UPDATE 2024-04-20

Installed DisplayPort dummy plug, resolved issues immediately.  I used this:

Display Port Emulator EDID Plug Headless 2560 X 1600 60Hz
https://www.ebay.com/itm/164856646482

You shouldn't have to.

You don't with Splashtop or TeamViewer.

There are dozens of HDMI/DVI/VGA/DisplayPort ghosts. Usually under $5 each bought in packs of 10 or so.

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0
Sam Segura
Quote from Zanthexter

You shouldn't have to.

You don't with Splashtop or TeamViewer.

There are dozens of HDMI/DVI/VGA/DisplayPort ghosts. Usually under $5 each bought in packs of 10 or so.

Thanks for the info of how our COMPETING tools actually get the job done.  I would hope our Screenconnect developers put the work in to fixing this problem. 

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odysseusjones
Quote from Zanthexter

You shouldn't have to.

You don't with Splashtop or TeamViewer.

There are dozens of HDMI/DVI/VGA/DisplayPort ghosts. Usually under $5 each bought in packs of 10 or so.

Splashtop and TV don't work the same as ScreenConnect, so we're not really talking apples to apples here.

Dummyplug should the trick just fine

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0
jlang
Quote from Tier3supdude
We found running this in Powershell will fix the issue. You can connect to backstage to run the powershell commands, and then swap to the console and the display should be responsive.

mkdir C:\temp
cd C:\temp
Invoke-WebRequest https://www.amyuni.com/downloads/usbmmidd_v2.zip -O usmb.zip
tar -xf .\usmb.zip
cd .\usbmmidd_v2\
.\deviceinstaller64.exe install .\usbmidd.inf usbmmidd
.\deviceinstaller64.exe enableidd 1

This has been super helpful.  I have had some issues with getting the Uninstall commands to work:

deviceinstaller64 stop usbmmidd

deviceinstaller64 remove usbmmid

The Stop command works fine but the remove does not seem to complete.  Have you had display issues once the monitors are attached back to the PC's with the driver still installed?

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Aidan Kennedy

My team found that disabling the graphics driver will allow windows to fall back to the default driver, which always outputs video, regardless of if there is a cable connected or not.



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