Citrix Farm in the parent domain

[snowsmart]

We have a Citrix Farm in a Windows Parent domain (aaa.com), When the users in its child domain (bbb.aaa.com) access the Citrix published application ( through Agent clint), Citrix request user@child domain to authenticate them in Parent domain.

please advice, how can I get around this , so user@child domain can run the application through Citrix directly.


thanks

Henry