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Licensing Overview - XenServer 7.0
XenServer 7.0 is available in two commercial editions:
The Standard edition is our entry-level commercial offering, with a range of features that will suit the needs of those customers who want a robust and high performing virtualization platform, but do not require the premium features offered by the Enterprise Edition; while still wishing to benefit from the assurance of comprehensive Citrix Support and Maintenance.
The Enterprise edition is our premium offering, optimized for both server, desktop and cloud workloads. In addition to the Standard edition, the Enterprise Edition offers the following features:
- Install and update I/O drivers through the Windows Update mechanism
- Automatic updating of the Management Agent
- Support for SMB storage
- Support for BitDefender hypervisor-level introspection
- Dynamic Workload Balancing
- GPU Virtualization with NVIDIA vGPU and Intel GVT-g
- VMware vSphere to XenServer Conversion utilities
- Intel Secure Measured Boot (TXT)
- Export Pool Resource Data
- In-memory read caching
Customers who have purchased XenApp or XenDesktop continue to have an entitlement to XenServer, which includes all the features contained within the Enterprise Edition. Customers should note that the In-memory read caching feature is available only for XenApp and XenDesktop Platinum customers.
XenServer uses the same licensing process as other Citrix products and as such requires a valid license to be installed on a License Server. You can download the License Server from Citrix Licensing. After purchasing the license for your XenServer edition, you will receive a
.LIC license key. This license key should be installed on either:
- a Windows server running the Citrix License Server software
- a Linux-based Citrix License Server Virtual Appliance
Citrix XenServer 7.0 requires Citrix License Server 11.12.1 or higher.
When you assign a license to a XenServer host, XenServer contacts the specified Citrix License Server and requests a license for the specified server(s). If successful, a license will be checked out and the License Manager displays information about the license the hosts are licensed under.
XenServer does not support partial licensing, all hosts in a pool must be licensed. If you are running a XenServer pool with hosts that are licensed with different license types, the host with lowest license determines the features available to all members in the pool. Mixed pools of licensed and unlicensed hosts will behave as if all hosts were unlicensed. For information on managing licenses in XenServer 7.0, see Managing XenServer 7.0 Licenses.
Upgrades to the Enterprise Edition are available from the Standard edition. For detailed information about XenServer licensing, see the XenServer Installation Guide. To upgrade or to buy a XenServer license, visit the Citrix website.
XenCenter notifies you when your license is due to expire. You should purchase a license before it expires. When a XenServer license expires:
- XenCenter License Manager will display the status as Unlicensed.
- you will no longer be able to access licensed features or receive Citrix Technical Support for any host within the pool until you purchase another license.
Citrix licensing has built-in timeout technology. After a startup license is checked out by a XenServer host, XenServer and the License Server exchange “heartbeat” messages every five minutes to indicate to each other that they are still up and running. If a XenServer host cannot contact the License Server, for example, due to problems with the License Server hardware or software or network failures, the server lapses into a 30-day licensing grace period. During the grace period, XenServer licenses itself through cached information and the hosts are allowed to continue operations as if they were still in communication with the License Server. The grace period is 30 days and when the grace period runs out, XenServer reverts to an unlicensed state. After communication is re-established between XenServer and the License Server, the grace period is reset.
This Preview product documentation is Citrix Confidential.
You agree to hold this documentation confidential pursuant to the terms of your Citrix Beta/Tech Preview Agreement.
The development, release and timing of any features or functionality described in the Preview documentation remains at our sole discretion and are subject to change without notice or consultation.
The documentation is for informational purposes only and is not a commitment, promise or legal obligation to deliver any material, code or functionality and should not be relied upon in making Citrix product purchase decisions.
If you do not agree, select Do Not Agree to exit.