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Testing Lync A/V scenarios in a Virtual Machine with a Virtual/Emulated Webcam and Soundcard

07/05/2012 2 Comments

VM’s are great for building labs and testing different scenarios. On of the challenges with Lync/UC is you need Audio and Video to do any serious testing.

You have a couple of options here

  • Use some old Physical hosts
  • Use VMware Workstation with it’s AV/USB pass-through
  • Use Virtual/Emulated Soundcard and Webcam

Physical Hosts

If you happen to have some old desktops/laptops lying around you can use them along with a virtual lab. You can’t really beat this for real world testing, but It’ll cost you extra power and space

Use VMware Workstation

VMware Workstation offers some unique features that are a benefit in this scenario. It allows the hosts soundcard to be passed through to the guest. You can even pass through multiple different USB webcams (they seem to need to be different brands/versions) to different VM’s on the same single machine.

Use Virtual/Emulated Soundcard and Webcam

This is an interesting option. I use a Hyper-V Server for most of my lab setups. This allows me to have multiple Windows 7 machines setup with Virtual Soundcards and WebCams which allow them to make and receive audio and video calls.

How does it work?

By default you will get the following in a Hyper-V VM for Audio and Video


Not much use for any testing.

Enter e2eSoft VCam and Virtual Sound Card. These two apps can be downloaded as a free trial. What they do is emulate a soundcard with mic and WebCam which Lync will pickup as Audio and Video Options.

During the install you’ll be asked to install the virtual devices:


Once installed you can select the devices in Lync



The e2eSoft VCam plays any media file you load into it on loop. Handily there is a HD wildlife video included in Windows by default that fits the bill nicely (but might look a little odd to passers-by)


The Soundcard loops the sound from the machine to the mic. It’s really a tool to let you broadcast all system sounds, but it stops Lync complaining about having no Audio options.



Now you can setup Audio and Video calls from the VM, or from VM to VM



Update: I’ve also found that will do the same thing, and for free

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Tom Arbuthnot

Tom Arbuthnot

Managing Consultant at Modality Systems
Tom Arbuthnot is a Microsoft Lync Certified Master and MVP. He is currently Managing Consultant at Modality Systems. Tom is actively involved in the global Unified Communications community. He is a founding member of the Microsoft UC User Group London, a contributing writer to Lync Server 2013 Unleashed and a technical reviewer for Trainsignal. Modality Systems is a UC Centre of Excellence – specializing in strategy, infrastructure, user adoption, managed services and software development.
Tom Arbuthnot
Tom Arbuthnot
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