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How does the Citrix Access Essentials licensing go? <br />
Is it user based or concurrent user?
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How does the Citrix Access Essentials licensing go?
Is it user based or concurrent user?

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Same as Presentation Server but it is packaged with TS CALs. &nbsp;Citrix is still concurrent and MS is still per seat/user. &nbsp;
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Same as Presentation Server but it is packaged with TS CALs.  Citrix is still concurrent and MS is still per seat/user.  

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In a Windows 2000 Terminal Server, any computer that had W2k or XP workstation was automatically given a client license to access a Terminal Server.<br />
I read that in Server 2003, this is no longer the case and that a TS Cal must be purchased and no concurrent packages are available.<br />
Now the question. I want to setup a citrix server with 15 concurrent access licenses. Do I still have to buy a TS Cal for each and everyone that will access the Server?<br />
Example: I have 200 domain users and I know there never will be anymore than 15 users that will access the Citrix Server at any given time, but all of the users will have to connect at one time or another.<br />
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I hope my question is not as confusing as the Microsoft Licensing documents.
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In a Windows 2000 Terminal Server, any computer that had W2k or XP workstation was automatically given a client license to access a Terminal Server.
I read that in Server 2003, this is no longer the case and that a TS Cal must be purchased and no concurrent packages are available.
Now the question. I want to setup a citrix server with 15 concurrent access licenses. Do I still have to buy a TS Cal for each and everyone that will access the Server?
Example: I have 200 domain users and I know there never will be anymore than 15 users that will access the Citrix Server at any given time, but all of the users will have to connect at one time or another.

I hope my question is not as confusing as the Microsoft Licensing documents.

Citrix client and Terminal Services Server 2003

Citrix is the synonym for the virtualization and application infrastructure systems developed by the company of the same name. Main areas are application virtualization, Software-As-A-Service (SaaS), cloud-computing and networking. The two most well-known are Citrix XenApp or Citrix CloudPlatform.