ActiveSync and Multi Domain SSO issue

I used the Exchange iApp to build the initial configuration and then changed a little bit to accomplish SSO between multiple VIPs (we tested with a third VIP and it works great). As I sad before we currently only have 2 VIPs, and yes we'll use the credentials from outlook, or any other site, to access multiple sites within the same domain (i.e. SharePoint, some customer apps and etc.), therefore multiple VIPs.

The Exchange iApp is configure on an APM box (BIG-IP APM will provide secure remote access to CAS) and the load balancing is done on a LTM running on a separate box.

Exchange iApp Config: BIG-IP APM will provide secure remote access to CAS Exchange Server 2010 AD authentication (4 AD servers) SSL Offloading WAN connections OWA and ActiveSync Deployed

Multiple Domain SSO config:

Domain Mode: Multiple Domains Primary Authentication URI: https://authentication.example.com Primary Cookie Optios: Secire SSO Configuration: HTTP Basic

Authentication Domains - Only one for now: Cookie: DOmain - outlook.example.com Cookie Options: Secure and Persistent SSO COnfiguration: HTTP Basic

Thanks,

Pedro