assuming they are in the different sites, you need to create a VPN between two sites and build the trusts.
domain trusts Transitive trusts establish a trust relationship between two domains that is ... For example, if domain A trusts domain B, and domain B trusts domain C, ... www.chicagotech.net/domain%20trusts.htm
Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on http://www.HowToNetworking.com
hi
howto join tow doamin together .
(i want tow PDC different)