Running an Active Directory Query Tool From Windows 7
You can launch a Active Directory Query Window that let's you look up users in your domain by running the following command from the command prompt: %systemroot%\system32\rundll32.exe dsquery,OpenQueryWindow You may be able to use this to update your AD e-mail information. AD allows you to update your personal information, though you may not be able to change other user's information unless you have additional privileges.