<div>
<div class="content wysiwyg-content">
Hi!<br />
I have a RDS server &quot;RDS A&quot; running an application in &nbsp;domain A with approx. 100 users. These end users are connecting to a RDS/Citrix farm &quot;RDS B&quot; containing 10 servers in domain B. No trust between these domains, so they are manually created on each site. &quot;RDS A&quot; is only accessed from RDS B's 10 servers with auto login-scripts. <br />
<br />
RDS B is licensed by third party, but I have to buy for &quot;RDS A&quot;. Do I have to buy 100 User-CAL or can get away with 10 Device CAL licenses?
</div>
</div>


Hi!
I have a RDS server "RDS A" running an application in  domain A with approx. 100 users. These end users are connecting to a RDS/Citrix farm "RDS B" containing 10 servers in domain B. No trust between these domains, so they are manually created on each site. "RDS A" is only accessed from RDS B's 10 servers with auto login-scripts. 

RDS B is licensed by third party, but I have to buy for "RDS A". Do I have to buy 100 User-CAL or can get away with 10 Device CAL licenses?

Licensing Microsoft RDS

Remote access may refer to the connection to a data-processing system from a remote location, for example through a virtual private network remote desktop software, terminal emulation, or the activation of features of a business telephone system from outside the business's premises.

Remote Access

Active Directory (AD) is a Microsoft brand for identity-related capabilities. In the on-premises world, Windows Server AD provides a set of identity capabilities and services, and is hugely popular (88% of Fortune 1000 and 95% of enterprises use AD). This topic includes all things Active Directory including DNS, Group Policy, DFS, troubleshooting, ADFS, and all other topics under the Microsoft AD and identity umbrella.

Active Directory

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.

Citrix

Windows Server 2012 is the server version of Windows 8 and the successor to Windows Server 2008 R2. Windows Server 2012 is the first version of Windows Server to have no support for Itanium-based computers since Windows NT 4.0. Windows Server 2012, now in its second release (Windows Server 2012 Release 2) includes Foundation, Essentials, Standard and Datacenter, and does not support IA-32 or IA-64 processors.

Windows Server 2012

This topic area includes legacy versions of Windows prior to Windows 2000: Windows 3/3.1, Windows 95 and Windows 98, plus any other Windows-related versions including Windows Mobile.