eDocs for XenDesktop
http://support.citrix.com/proddocs/topic/xendesktop-rho/cds-landing-page-xd56.html

Provisioning Services Administrator's guide
http://support.citrix.com/article/CTX124792

Provisioning Services Installation and Configuration Guide
http://support.citrix.com/article/CTX124791

Designing an Enterprise XenDesktop Solution
http://support.citrix.com/article/CTX121478

How to enable logging for the desktop delivery controller and virtual desktop agent
http://support.citrix.com/article/CTX117452

Troubleshooting XenDesktop Deployments
http://support.citrix.com/article/CTX125177

HDX Experience Monitor for XenDesktop
http://support.citrix.com/article/CTX123058

Creating USB Policy Rules
http://support.citrix.com/article/CTX119722/

Desktop Viewer Not Available in XenDesktop Session with Self-Service Plug-in and Delivery Services
http://support.citrix.com/article/CTX128600