We have two forests - our original AD forest (ADForest) running Windows 2008 DC and also an Exchange 2007 forest (ExchangeForest) holding user mailboxes. There are trusts etc set up, but I was wondering how this would all work.
For instance, I have a manager's mailbox in the Exchange forest. I want to give an Assistant access to that....do I just give access to their ADForest account? Wil this mean that their Outlook can access the Manager's one?