How to Open Active Directory Users and Computers

Active Directory Users and Computers is an MMC snap-in that is a standard feature of Microsoft Windows Server operating systems. However, when you install Exchange 2003, the setup wizard automatically extends the functionality of Active Directory Users and Computers to include Exchange-specific tasks. Active Directory Users and Computers is used to manage recipients. This procedure outlines how to open Active Directory Users and Computers.

If the Active Directory Users and Computers snap-in is installed on a computer that does not have Exchange or the Exchange management tools installed, you cannot perform Exchange tasks from that computer. You start Active Directory Users and Computers from either an Exchange server or from a workstation that has the Exchange System Management Tools installed.

1. Click Start, and then click Run.

2. In the Open box, type dsa.msc, and then click OK.

—or—

• Click Start, point to All Programs, point to Microsoft Exchange, and then click Active Directory Users and Computers.

The following figure shows how Active Directory Users and Computers appears on the screen.

Active Directory Users and Computers hierarchy