I need 2 of my AD users with restricted permissions, can create mailboxes in Exchange 2003. That permsios give them and where they give?

I would start here: http://technet.microsoft.com/en-us/library/bb123975(EXCHG.65).aspx Working with Store Permissions in Exchange 2000 and 2003 Since you are using 2003, its not a straight forward process as it would be with 2007 or 2010.

Hi, Exchange 2003 only has three types of Exchange administrator roles: · Exchange Full Administrator · Exchange Administrator · Exchange View Only Administrator You could follow this article to delegate permission to a user or a group. Overview of Exchange administrative role permissions in Exchange 2003Please remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.