MS Lync and Virtual Desktop deployment consideration

Hi People,

I'm trying to get some knowledge and caveats about what should I need to know before deploying the MS Lync 2013 on Virtual Desktop machine or VDI using Citrix Xen Desktop ?

For the Lync feature, I think text Instant Messaging or IM shouldn't be a problem, but how about a voice or telephony through the PABX phone or Video conferencing ?

Please share your thoughts, comments or opinion about what should I do to ensure that user experience can be smooth experience.

Senior IT System EngineerIT ProfessionalAsked:
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Ayman BakrConnect With a Mentor Senior ConsultantCommented:
Redirecting voice data to iPad has been tested, implemented and working fine in the real world - see this:

However, whether specifically the Citrix receiver would be able to redirect the voice data of Lync in a VDI or not, is something I have not tested or seen (doesn't mean was not tested in real world, but it is something I am not aware of). But, my thought is that it should be fine. I believe it would be inevitable that you conduct your own testing on this even if you heard that someone in the world had implemented it and found it working well.
Ayman BakrConnect With a Mentor Senior ConsultantCommented:
This already had been the focus of tech trends and Citrix had worked jointly with Microsoft in order to support Lync on XenDesktop as you can see in the following blog and technical support info article:

For supporting Ms Lync on XenDesktop (actually any VDI deployment) Microsoft has released the Microsoft Lync VDI plugin. This plugin will allow for the use of user's device audio/video resources within the VDI session; supporting chatting and video conferencing. Citrix released the optimization pack for Microsoft Lync 2010 to cater for best audio/video conferencing. Later they worked with Microsoft of which the outcome was having their technology supporting Microsoft's Ms Lync VDI plugin working hand in hand with the Citrix Receiver. For more info contianing prerequisites, list of known issues and troubleshooting check this link:

When installing Lync 2013 ensure you have the latest cumulative updates. Also when installing the VDI plugin ensure you have the prerequisites available:

Another caveat is to look at the impact of this deployment on your resources. Check the testing carried out by Dell:

Hope this helps and good luck!!
nprignanoConnect With a Mentor Technical ArchitectCommented:
There should be a "Like" or "Endorse" function on comments.  So, yeah,  what he said.  

I will just add that since Lync is a real-time application, all of the network dependent functions like VoIP, video and chat will all be dependent on network conditions and hardware performance end-to-end.  So definitely keep this in mind when you are identifying your requirements and make sure your end users will be connecting in with adequate resources and/or fully understand the limitations of the technology.  Otherwise you may have some unhappy end users if/when they are trying to do video calls from a Starbucks or some other performance constrained environment.
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Senior IT System EngineerIT ProfessionalAuthor Commented:
Yes, that does make sense, the application itself Lync client must be installed as part of the golden VM image and then it is up to the device driver whether the Lync video session can be usable or not.

eg. using Non persistent VM accessed from iPad and then from the Windows 7 session, initiate Lync video chat.

is that scenario possible ?
Ayman BakrConnect With a Mentor Senior ConsultantCommented:
I have never tested that, but I think provided you have the proper network resouces, this should be possible. However, it would be best to test this before rolling it out to your users/clients.
Senior IT System EngineerIT ProfessionalAuthor Commented:
ok, my understanding is that it only works if the Client PC or the access device is supported by the Citrix VDA / Receiver agent to redirect the voice data.

has this been implemented in the real world or not yet ?
Senior IT System EngineerIT ProfessionalAuthor Commented:
Thanks !
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