Citrix HDX Realtime Optimization Pack 2.0

At Citrix summit a new version of the Citrix HDX Optimization pack was announced, I heard the news and looked at one of the slide and moved on.. more to life than a 2.0 of something we hardly used.
Well today I decided to read up on the pack and okay, let’s be fair I was wrong so wrong. Let’s play the ball back to Citrix, every year they rename all products even though the functionality doesn’t change. Now they change the architecture 100% and the name stays the same, no wonder I was caught off track.

HDX RealTime Optimization pack 2.0

So in a short blog let’s see what they got in store.
First you have to realize it is a collaboration between Citrix and Microsoft, the’ve been working on this for the best part of 2015. Another interesting part is that it is already shipped with the Microsoft Skype for Business client in December 2015.


So what do you need to get this working?
From a Citrix point of view you need:
  • Citrix XenDesktop 7.x Enterprise or Platinum
  • Citrix XenApp 6.x and 7.x Enterprise or Platinum
From an operating system (datacenter based) the following is supported:
  • Microsoft Windows 7, 8.1, 10
  • Microsoft 2008R2, 2012, 2012R2
On the Windows user device you need to run Citrix receiver 4.x at least and with that the following is supported and required:
  • Microsoft Windows 7, 8.1, 10
  • Microsoft WES7, 2009
  • Microsoft WinIoT
  • Microsoft ThinPC
On the Linux user device, Citrix receiver 13.x is required at a minimum, the following distri’s are supported:
  • Ubuntu
  • Fedora red Hat
  • Suse
  • CentOS
  • ThinPro
  • eLux
For a MAC device you need receiver 12.x at a minimum, the following is supported;
  • Mac OS X 10.10
  • Mac OS X 10.11
Wyse ThinOS is planned for the future.
From a Microsoft software point of view you need Skype for Business 2015, that is 15.0.4779.001 to be exact. The server side needs to be
  • Skype for Business server 2015
  • Sync server 2013
  • Office 365 (Skype for Business online)


The Architecture with this version is changed. First let’s take a look at how version 1.x looked like. As you see in the picture the end point will connect to the Lync server to handle communication.
If you look the the picture below you see that the communication between the endpoint and the server is gone. Microsoft is taking care of this now.


Now with this architecture Microsoft supports XenApp/RDS environments for the first time.
As I mentioned before Microsoft has deployed the solution already to your computer, you didn’t notice it but it’s there.There is a different architecture overview, I added it below, you clearly see the communications flows.



As soon as you Citrix receiver is updated and this optimization pack is installed the feature will be available.
Citrix only I was wondering also… but that was because they used the same name and just add .2 to the version. Yes Citrix only, Microsoft and Citrix have been working together to get this out.
Good to see the Microsoft is working on solutions for VDI environments, they’ve been watching without acting for far too long. Hope they like the taste and move on, there are more issues to tackle.

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