Virtual Camera Stopped working after Upgrading to Tahoe 26.3.

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pexelva

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My company is using MS InTune to manage our devices and they recently also deployed the Crowdstrike Falcon product. Everything was fine until I upgraded my MacBook Air M3 to Tahoe 26.3. Now I cannot start the Virtual camera. I uninstalled and re-installed OBS Studio several times. Checked all the access requirements and still I get the following error:

[mac-virtualcam] mac-camera-extension: OSSystemExtensionErrorCode 10 ("The operation couldn’t be completed. (OSSystemExtensionErrorDomain error 10.)")

I have the last log file if that helps. I cannot find any mention of this problem anywhere.
 

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OSSystemExtensionErrorCode 10 on an MDM-managed machine almost always means the system extension isn't allowlisted in InTune -- it's not an OBS problem per se. Your IT admin needs to add a System Extension policy allowing com.obsproject.obs-mac-virtualcam. CrowdStrike Falcon post-Tahoe is especially aggressive about blocking unapproved extensions, so that's probably what's actually blocking it even after reinstall.
 
Thank you for the reply. That pretty much confirms all the troubleshooting I have done. Working with my IT dept. to fix it hopefully.
 
NDI is a bit different from virtual cam -- it doesn't rely on a system extension, it's a plugin that installs NDI Tools separately. After a fresh macOS install, you need to reinstall NDI Tools from ndi.video and then reinstall the obs-ndi plugin. Even if OBS is already installed, the NDI runtime library gets wiped with a clean OS install and OBS won't find it. Relaunch OBS after reinstalling both and it should show up.
 
turingsroot said:
NDI is a bit different from virtual cam -- it doesn't rely on a system extension, it's a plugin that installs NDI Tools separately. After a fresh macOS install, you need to reinstall NDI Tools from ndi.video and then reinstall the obs-ndi plugin. Even if OBS is already installed, the NDI runtime library gets wiped with a clean OS install and OBS won't find it. Relaunch OBS after reinstalling both and it should show up.
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Thanks for the reply! I went ahead and did all of these stops you've mentioned, and I am still getting a blank screen despite NDI tools showing the OBSBOT feeds. I have downgraded OBS, DistroAV, updated NDI Tools, uninstalled all, reinstalled, and even updated the firmware on the OBSBOTs. I am stuck scratching my head at what else it could be aside from the MacOS update that was installed automatically after my last work podcast.
 
Since NDI Tools picks up the feeds fine, the network side is working. Check if OBS itself has Local Network permission -- System Settings > Privacy & Security > Local Network, make sure OBS is listed and toggled on. Tahoe updates have a habit of quietly revoking that one. If it's already on, toggle it off and back on, restart OBS. The blank screen with working NDI discovery is almost always a permissions thing on the OBS side specifically.
 
Just wondering if there are any other suggestions on this problem? I have uninstalled/re-installed OBS several times and checked and un-checked all the required, system access, my IT folks have told me that they are now allowing OBS in both InTune and Falcon but still getting the same error. Does anyone have any suggestions or can see where the issue may be?
 
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