SSO between APM and citrix StoreFront not working

Hi,

I'm facing an SSO issue to use my big ip 12.1.2 with my Citrix's storefront 3.X (I want to keep them)

I have used this document and used iapp ";.

When user try connect to my Citrix farm through the big ip he's passing APM logon page without any problem(AD auth only) but he needs to authenticate a second time in Citrix StoreFront to access applications.

I have tried following solution without any success.

Please help Thx.