Hello,
i missed this feature on passed Installations, too.
Like "Monnat Systems" said this should be "Feature Request".
With my AD Experience there is no way to relay the Authentication. Maybe it's possible over a AD Trust Realationship. But i whould never create a Trust, which is in fact a litte Mariage of the two ADs, just for authenticate a user in AD Y over AD X.
So the best Solution in my Opinion should be to be able to active Zero-IT / DPSK within the WLAN Settings and are able to choose there my AAA-Server (ActiveDirectory), too.
Best Regards
Marco