SPNego in Multi-Domain environment?

Hi,

I wonder if it is possible to configure SPNego (for enable Windows authentication integrated) in a Multi-domain environment. We have two LDAPs ( Microsoft AD) connected to EP.

One of them, the connection use SSL (located in a DMZ); and the other one, connected without SSL.

Only one of them, must be integrated with WIndows for authentication. (because the other is outside LAN, is a multi-forest landscape)

Is it possible?

In this case, which SPNego parameters must to set in SPNego wizard? and in Visual Admin/Secure Provider??

thanks in advance!!

Leandro