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21 Posts

10-13-2016

US

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Communication Utility Disables Web Camera in Skype For Business

2016-10-24, 0:02 AM

We have had a few incidents where the Lenovo Communication Utility version 3.1.18.0 is installed and the command to turn off the privacy settings was executed yet Skpe randonmly disables the camera.  Version 3.1.18.0 was suppose to correct this issue as it was a known bug in earlier versions.  One user that has been having this issue has an external camera but is unable to reproduce this issue.

 

Command line we are using to install the updated communications utility.

setup.exe /SP- /VERYSILENT /NORESTART /SUPPRESSMSGBOXES

 

Command line used to turn privacy off.

cammute.exe CMOFF

 

When executing cammute.exe CMOFF is there a registry setting that is changed so I can verify that the executable ran and turned the privacy setting off?

 

Has anyone else come across this issue?

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6577 Posts

10-29-2009

NC

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Re: Communication Utility Disables Web Camera in Skype For Business

2016-10-31, 14:51 PM

Can you clarify what you mean by "Skype randomly disables the camera"?  Do you mean that the camera image becomes the camera privacy image?  Or that the camera becomes completely nonfunctional?

 

The reason why I am confused is because you mentioned that this issue happened on an external camera, but external cameras do not support camera privacy.  So for this reason, I think you might be having some other issue not related to camera privacy.

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21 Posts

10-13-2016

US

41 Signins

312 Page Views

  • Posts: 21
  • Registered: ‎10-13-2016
  • Location: US
  • Views: 312
  • Message 3 of 4

Re: Communication Utility Disables Web Camera in Skype For Business

2016-10-31, 15:18 PM

The camera image becomes the camera privacy image.  When looking at the readme on the below link this was a known issue and was suppose to be fixed by the upgrade to 3.3.18.0

 

https://download.lenovo.com/pccbbs/mobiles/grcu19ww.txt

 

<3.1.18.0>
-(New) Added support for ThinkPad E460, E465, E560, E565.
-(New) Added the new Lenovo logo.
-(Fix) Fixed an issue where camera privacy is enabled unexpectedly.

 

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6577 Posts

10-29-2009

NC

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Re: Communication Utility Disables Web Camera in Skype For Business

2016-10-31, 15:25 PM

I'm aware of the known issue, and the fix.  But if you chasing some issue that happens on external cameras, this is not it.

 

The cammute.exe that is used to disable camera privacy is NOT the cammute.exe that is installed by Communications Utility.  Instead, it comes from here: 

 

https://dl.dropboxusercontent.com/u/62276273/cammute.zip

 

DisableCameraAutoMute.reg – registry to disable the feature where camera automatically mutes and unmutes by PC lock/unlock

Cammute_on.cmd / cammute_off.cmd – command to turn the camera mute on/off

Cammute.exe – EXE file needs to be in same folder as the CMD files above

 

Finally, you might be able to avoid the problem from happening in the future by using the reg file inside that .zip, it will completely disable the automatic camera mute feature that might be causing you problems.  You still have to manually disable camera privacy first (with cammute.exe).  But this registry will ensure that nothing will automatically enable it again in the future.

 

Hope this helps.

 

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