XenDesktop Licensing

Sure, everybody knows about the 2-for-1 trade up that Citrix is offering to get into XenDesktop from XenApp, right?  Of course.  But – it switches you from Concurrent licensing to User, right?  Well, sort of.  I recently went through some Citrix training, and XD licensing now works like this:

User mode is now called User/Device mode.  That’s right.  Device licensing.  What’s better?  The Citrix license service automatically switches back and forth between User and Device on a per license basis to ensure you are consuming the fewest possible licenses.  That’s right, Citrix is trying to save you money!  It works like this:

User A logs in from a PC.  User A consumes a User license.
Shift change.  User B logs in from the same PC.  The license server says “Oh, I can use a device license here”.  Boom.  Two users, one device.  Then, User A logs in from an iPad.  User A is now consuming a user license, and ANYONE who logs in from that same PC will only consume a device license.  This is GREAT news for any companies that run multiple shifts of users on the same devices, provided they don’t go home and connect from an iPad or an iPhone or whatever.

But – there’s another cool feature.  With XenDesktop, you also get a 10% “overdraft” on your licenses.  So, you have 500 seats of XenApp.  You do the 2-for-1 trade up deal and get 1000 User/Device licenses of XenDesktop.  THEN, you get a free 10% overdraft, meaning you can actually consume 1100 licenses.  So, you effectively more than doubled the number of  concurrent connections you are licensed for (provided, of course, that they all come from the same 1100 PCs).  The penalty for overdraft?  NOTHING.  NADA.  ZIP.  How long can you overdraft for?  YES.  That’s right, perpetual.

Cool, huh?

-CG1

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2 responses to “XenDesktop Licensing

  1. Just wanted to add something to this great post. These licenses are checked out for 90 days. So if you need to free them up use the udadmin command-line tool to view and release them where needed.

    -CG3

  2. Excellent point, 3! If memory serves, there’s also a way to change the default 90-day assignment, too, but I’m too tired to look it up right now. Maybe tomorrow.