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Citrix XenDesktop LicensingCitrix XenDesktop Licensing ExplainedOverviewThis document provides an overview of XenDesktop licensing and related technical insights. It explains the followingareas of XenDesktop licensing: Editions. Citrix XenDesktop editions and features that are packaged with the product. General Licensing Information. Detailed explanation of the XenDesktop licensing model, SubscriptionAdvantage, license retrieval, available upgrades from previous releases or Editions, and Microsoft relatedlicensing. XenDesktop Components. Provides licensing details of specific XenDesktop components. Technical Insights. Explains some technical aspects that need to be considered as part of a XenDesktopimplementation for virtual desktop delivery.Citrix XenDesktop EditionsThe table below specifies the editions of XenDesktop and the features associated with each.Express(10 users)StandardAdvancedEnterprisePlatinumDesktop Delivery Controller Virtual Machine Infrastructure * * Desktop Provisioning Profile Management FeatureVM Resource Pooling &XenMotionSecure Remote AccessIntegrated App Delivery *Virtual Desktop PerformanceMonitoring Virtual Desktop Support * XenDesktop ICA only

2FeatureExpress(10 users)StandardAdvancedEnterprisePlatinumWAN Optimization EasyCall Several important items to note: The Virtual Machine Infrastructure may be used only for hosting virtual desktops and Citrix provided XenDesktopinfrastructure. Integrated App Delivery (powered by XenApp for Virtual Desktops) may be used only for delivering applications tovirtual desktops. Secure remote access for the Standard, Advanced and Enterprise editions may be used only for securing ICAXenDesktop traffic; For XenDesktop Standard, Advanced and Enterprise, the customer may only purchase theStandard Edition of the Access Gateway appliance; For XenDesktop Platinum, the customer may choose anyAccess Gateway appliance. Secure Remote Access and WAN Optimization each require the purchase of appliances to enable their respectivecapabilities. A license of Virtual Desktop Remote Support (powered by GoToAssist) is provided as a benefit of activeSubscription Advantage for every 200 XenDesktop Platinum licenses purchased. At least 200 XenDesktopPlatinum licenses with SA must be purchased to receive a Virtual Desktop Support license and they must bepurchased within a single order.LicensingXenDesktop Standard, Advanced, Enterprise and Platinum editions are licensed based on the number of concurrentvirtual desktops in use. XenDesktop Express edition is free of charge.The following XenDesktop Platinum components make use of the standard Citrix Licensing infrastructure and as suchrequire the use of a Citrix License Server: Virtual Desktop Delivery Controller Virtual Desktop Provisioning (powered by Provisioning Server for Desktops) Integrated App Delivery (powered by XenApp for Virtual Desktops) Virtual Desktop Performance Monitoring (powered by EdgeSight for Endpoints) EasyCall Secure Remote Access (powered by Access Gateway)The licensing framework for the remaining components is specified below: The Virtual Machine Infrastructure component (powered by XenServer) does not support centralized licensingwith the Citrix License Server, though this functionality is on the roadmap. In the interim, each physical hostsystem must be individually licensed with a license key. The Profile Management feature (powered by Portable Profiles) is available through an eligible SubscriptionAdvantage membership. The WAN Optimization component (powered by WANScaler) is enabled with the appliance purchase and requiresno additional license at this time. Although the roadmap for this functionality is to leverage the standard CitrixLicensing infrastructure. The Virtual Desktop Support (powered by GoToAssist) feature is a subscription-based service linked toSubscription Advantage membership status and expiry date that is managed by the Citrix Online division.

3General InformationXenDesktop Standard, Advanced, Enterprise and Platinum Edition are available under two retail licensing options perpetual retail licenses and expiring retail licenses. For XenDesktop, expiring retail licenses are referred to as annuallicenses because they are valid for a period of one year (see the explanation below). Retail License. A perpetual XenDesktop license never expires. These XenDesktop licenses include 12 monthsof Subscription Advantage membership beginning at the time of purchase, entitling the customer to allXenDesktop software updates within the eligibility period. After 12 months the subscription needs to be renewedand an upgrade license must be allocated and placed on the license server in addition to the original license file.The original license file must not be deleted. Annual License. This license is valid for 12 months after which the license will expire. Note that during thisannual license period, customers are entitled to all XenDesktop software updates.When the annual license expires, the following components will cease to function: Virtual Desktop Delivery Controller Virtual Desktop Provisioning (powered by Provisioning Server for Desktops) Integrated App Delivery Virtual Desktop Performance Monitoring (powered by EdgeSight for Endpoints) EasyCall Secure Remote Access (powered by Access Gateway) The Virtual Desktop Support (powered by GoToAssist)The remaining components may continue to function, but the customer must cease all use of components as perthe XenDesktop EULA. Customers who opt for the XenDesktop annual license must purchase a new annuallicense before the expiration date to extend the validity of the product.License RetrievalCustomers that have purchased any of the XenDesktop editions must visit the Citrix Activation System on My Citrix at:www.citrix.com to allocate and generate license files components that use the standard Citrix Licensing infrastructure (thesix mentioned above). The activation process for the remaining three components‟ that do not use the standard licenseserver model is described below: Citrix XenServer. The licenses for the Virtual Machine Infrastructure component are currently issuedelectronically via e-mail. These license entitlements require download via a certified mail site. Licenses aresubsequently installed on the physical server(s) that will be used to host the virtual desktops and/or otherXenDesktop workloads. Citrix WANScaler. The WAN Optimization capability does not require activation but does require the purchase ofa hardware appliance. Licenses are preloaded and delivered with the hardware appliance. GoToAssist. The Virtual Desktop Support account creation is managed by the Citrix Online division.

4UpgradesThe customer may choose to purchase an upgrade from an existing XenDesktop edition license in the following instances:Upgrading ToUpgrading tandard- Advanced-- Enterprise--- Upon completion of the upgrade transaction, a new license is available on My Citrix for the XenDesktop components thatuse the Citrix Licensing infrastructure. The original license file for the lesser edition should be discarded when the newupgraded license file is installed.Microsoft Licensing Terminal Services Client Access Licenses (TSCAL). These are only required for use with the integratedapplication delivery feature of XenDesktop for hosted applications. This feature is available with XenDesktopEnterprise and Platinum. TSCALs are not required for XenDesktop Standard and Advanced. Vista Enterprise Centralized Desktop (VECD). Microsoft offers Windows VECD that provides all the licenserights to run a Windows desktop operating system in a virtual machine on server hardware. For more informationregarding Microsoft licensing for virtual desktops, please refer to oduct-vdi.mspx.Citrix XenDesktop ComponentsProvisioning Server for DesktopsThe XenDesktop license provides operating system streaming for the following scenarios for a given XenDesktop user:1. A virtual desktop in the data center (hosted virtual desktop)Fort this use case, Provisioning Server for Desktops may also be used to deliver an operating system to aDesktop Appliance, Thin Client, or repurposed PC for the purpose of access to the virtual desktop that resides inthe data center2. A physical endpoint for local executionPlease note that Provisioning Server may be used only for streaming client operating systems in the above scenarios.

5XenServerThe XenServer Virtual Machine infrastructure provided by XenDesktop is to be used solely for the purpose of virtualizingdesktop operating systems and other components of XenDesktop provided by Citrix, such as the Desktop DeliveryController, Provisioning Server, license server, Web Interface server and the XenApp for Virtual Desktops included withXenDesktop Enterprise and Platinum editions. Separately purchased XenApp and all other workloads may not bevirtualized using the XenServer licenses included with XenDesktop.Thereby, there is no built-in license limit for the number of XenServer hosts that may be required to host all virtualdesktops of a XenDesktop farm. This ensures that required resources to run virtual desktops are not limited by a specificnumber of XenServer hosts.XenAppThe delivery of applications (hosted / streamed) with XenApp included in XenDesktop Enterprise and Platinum is limited toXenDesktop delivered desktops only. However, applications from existing XenApp servers can be leveraged forXenDesktop delivered desktops.XenApp may be used to deliver applications directly to endpoints only in the scenario described in section 2 of„Provisioning Server for Desktops‟, i.e. when Provisioning Server for Desktops is used to stream the operating system tothe endpoint for local execution. XenApp may not otherwise be used to deliver applications to endpoints.Profile ManagementProfile Management will be available via Subscription Advantage eligibility date for: XenDesktop 3.0 Advanced, Enterprise or Platinum ( 2/16/09) XenApp 5.0 Feature Pack Enterprise or Platinum ( 3/09/09).Any customer whose Subscription Advantage is valid on this date and has a qualifying edition level will be entitled todownload and use Profile Management. Downgrade rights are provided to these customers using Profile Management onprevious versions back to: XenDesktop 2.1 Advanced, Enterprise, or Platinum XenApp 4.5 Enterprise or PlatinumLicense enforcement is done through the End User License Agreement (EULA). There is no feature specific license file.Customers have the ability to manage usage using Active Directory domain groups. By assigning Portable Profile users toan Active Directory group, any user not in that group will be ignored and the „normal‟ Windows profile will be applied tothat user. Normal means whatever profile the admin has assigned that user within Active Directory and/or Windows.Access GatewayAll editions of Access Gateway will work with XenDesktop Standard, Advanced, and Enterprise Editions. Existing AccessGateway implementations can be added with the Access Gateway licenses shipped with XenDesktop since AccessGateway Standard is capable of managing multiple license files.Smart Access is only available for customers that purchase Access Gateway Advanced licenses and deploy these insteadof the Access Gateway licenses that are part of XenDesktop. Please note that not all SmartAccess features available inXenApp are available in XenDesktop.