CTX: How to Forward Credentials from Citrix Access Gateway 4.x or Netscaler to Web Interface 3.x, 4.x, or 5.x.

How to Forward Credentials from Citrix Access Gateway 4.x or Netscaler to Web Interface 3.x, 4.x, or 5.x.

This technote applies to Web Interface 5.3 too. You don't need to enable Pass-Through Authentication on Citrix Presentation Server servers or Citrix XenApp servers to enable single sign on.

http://support.citrix.com/article/CTX106202