Everything related to the control of sessions in XenDesktop is done through policies. Policies contain settings that are applied when the policy is active or allowed. You can configure the settings using Citrix Studio. You can also use the Active Directory Group Policy Management editor.
Many of these policies are merely references sourced from the Citrix XenDesktop documentation located at http://support.citrix.com/proddocs/topic/xendesktop-71/cds-policies-rules-wrapper-rho.html.
To configure XenDesktop policies using Citrix Studio, perform the following steps: