This topic contains
information about managing licenses in XenServer 6.5.
All hosts in a pool
must be licensed. You can manage your XenServer licenses using the
dialog box in XenCenter. The License Manager allows you to:
XenServer licenses to managed servers. When you assign a
license, XenServer contacts the Citrix License Server and requests the
specified type of license. If a license is available, it is then checked out
from the License Server.
XenServer licenses. When you release a license, XenServer contacts the Citrix
License Server and checks the license back in.
Citrix XenServer 6.5 licensing requires Citrix License Server
v11.12.1 or higher. You can download the License Server from
To assign a
- From the
Tools menu, click
- Select the
host(s) or pool(s) that you wish to assign a license and then click
- In the
License dialog box, select the license you want to request from the
License Server. For more information about various XenServer licenses, see
Licensing Overview (XenServer 6.5).
- Enter the
License Server details and then click
Note: By default,
the License Server uses port
for communication with Citrix products. If you changed the default port on the
License Server, enter the appropriate number in the
number box. For more information about changing port numbers due to
conflicts, see the
Your Product topic on Citrix eDocs.
the specified Citrix License Server and requests a license for the specified
server(s). If successful, a license is checked out and the information
displayed in the XenCenter License Manager will be updated. If the License
Server cannot be contacted, then the server lapses into a 30-day licensing
When requesting or applying licenses, information about the
XenServer version and license type may be transmitted to Citrix. No other
information relating to any users of the system, virtual machines running in
the environment, or the environment in which XenServer is deployed, is
collected or transmitted to Citrix. The limited information transmitted to
Citrix during the licensing process is handled in accordance with the Citrix