I have two locations and two domains. Location A which is our main location and Location B which is a secondary location. At these locations they are set up so that location A is Local.mycompany.com and location B is abccompany.com. They are two totally different domains, not even in the same forest. I am running a Windows 2003 domain on each side and have trusts set up because each location actually connects to and utilizes serves at each location. I am looking for the best configuration. I would like suggestions from users. Location A has around 10 servers and 100 + workstations and location B has 4 server with about 25 workstations. Mailserver is located at Location A and users currently login to that doamin and has a user id in order that send and receive email. I am think of just moving everyone to one domain, the one in Location A. It seems much simpiler.
I also have a Windows 2008 server at each location but neither are domain controllers just yet.