Sizing Windows 2016, Windows 2012 and Windows 10 Virtual Machines


It has been almost one year since Windows Server 2016 was released at Microsoft Ignite. Are the virtual machine sizing recommendations for Windows Server 2012R2 applicable to Windows Server 2016? And since we are talking about sizing virtual machines for XenApp and XenDesktop, it might be a good time to revisit Windows 10.

Let’s first look at virtual CPU allocation recommendations: Continue reading “Sizing Windows 2016, Windows 2012 and Windows 10 Virtual Machines”

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How do I define failover servers for delivery groups


Although XenApp 6.5 worker groups do not exist in XenApp 7.x, we’ve seen how similar functionality is available.

Instead of comparing XenApp 6.5 with XenApp 7.x, let’s put some of these new technologies into practice by solving the following design requirement.

  • Define a set of XenApp hosts as failover servers for a group of XenApp hosts delivering the primary app? In addition, the failover servers have the following conditions:
    • The failover servers are a subset of servers hosting their own set of apps
    • The failover servers only host the primary app in the event the primary hosts are unavailable

Continue reading “How do I define failover servers for delivery groups”

How do I increase Delivery Group (Worker Group) capacity


As described in the blog How do I migrate a XenApp worker group structure, we saw how the use of Delivery groups, application groups and tags allow us to replicate XenApp 6.5 worker group capabilities to XenApp 7.x. There are some operational differences between Worker Groups and Delivery Groups, namely, how do increase the capacity of the delivery/worker group.

One of the more interesting capabilities of XenApp 6.5 worker groups was in the ways an admin could increase worker group capacity.  By adding a server into a worker group, the capacity of the worker group increased.

Many organizations took this approach a step further by basing worker group membership on Active Directory group membership or Active Directory OU membership.  In the XenApp console, each worker group was assigned to a single Active Directory group or OU. Any server in the Active Directory group or OU would be a member of that worker group.

Continue reading “How do I increase Delivery Group (Worker Group) capacity”

How do I migrate a XenApp worker group structure


In XenApp 6.5, there is the concept of a worker group.  Before that, we called them load managed groups or application silos.  Basically, it is  group of XenApp servers publishing the same set of applications.  If you publish an app on one server, that published app is also available across every other server in the worker group. In XenApp 7.x, you can think of a delivery group like a worker group.  A delivery group is associated to a machine catalog, which is a group of XenApp servers.  If I publish an app within the delivery group, all XenApp servers in … Continue reading How do I migrate a XenApp worker group structure

How Do I Create ICA Files


In older versions of XenApp (6.5 and earlier), we could create ICA files, which were essentially shortcuts, and email them to users or place them on a static web page. With XenApp 7.x, ICA files are no longer available.  However, StoreFront provides an alternative with a little option called “Website Shortcuts”. It is a feature I was unaware of until I needed it for a project. After you setup your environment with StoreFront servers, Delivery controllers and VDI resources, you do the following: Launch the StoreFront console Select “Stores” Select your store Select “Manage Receiver for Websites” Select “Configure” Select … Continue reading How Do I Create ICA Files

Skype for Business – Three-way calling


Based on the questions I’ve received, it seems like Skype for Business is a pretty big deal.  So, let’s take a look at another question I recently received with regard to the Citrix RealTime Optimization Pack for Skype for Business: How does this work with 3-way calling? With Skype for Business, in order to do a 3-way (or more) conference call, you need to have the Skype for Business Audio-Video Conferencing Server implemented within your Skype deployment. After initiating a call by communicating over SIP to the Skype Server, all parties within the call have their voice/video (SRTP) pass through … Continue reading Skype for Business – Three-way calling

XenApp Best Practice #4: The Right User Experience


Over the years, I’ve done quite a few wood working projects, like building a coffee table, end table, entertainment center, mudroom lockers, etc. Every project results in leftover pieces of wood. I dislike throwing perfectly good wood away, especially if it is large enough to make something. Last year, my wife asked me if I could build her a large desk. A desk where she could help the kids with art projects, wrap presents and work on photo albums. Lo and behold, I was able to build the desk with 100% scrap wood. Of course, using scraps meant that this … Continue reading XenApp Best Practice #4: The Right User Experience