How to Configure Access Gateway 5 Standalone for Use with XenDesktop 5 http://support.citrix.com/article/CTX128869
Access Gateway 5 Deep Dive – Failover http://community.citrix.com/display/ocb/2010/11/29/Access+Gateway+5.0+Deep+Dive+-+Failover
Unable to Upload PFX Certificates to Citrix Access Gateway 5.0 http://support.citrix.com/article/CTX127292
How to Configure RSA Authentication with Access Gateway 5.0 http://support.citrix.com/article/CTX127543
Access Gateway Advanced Edition
Access Gateway Advanced Controller Configuration for Access with iPad . . . → Read More: Access Gateway 5 Maintenance