Microsoft Exchange Server unites users with knowledge anytime, anywhere. Exchange is designed to meet the messaging and collaboration needs of small organizations, large distributed enterprises, and everything in between.
Member Servers or just standalone servers can be promoted to domain controller. The Active Directory Wizard can help you install and configure components and enables you to provide directory service to network computers and users.
A server on a network - standalone or member - can function in a number of roles. As the needs of your computing environment change, you may want to change the role of a server. By using the Server Manager and the Add Roles Wizard, you can install Active Directory Domain Servers to promote a member server to a domain controller, or you can install individual roles or combinations of various roles, such as DHCP, WINS, and DNS.
Windows Server 2008 does not come out of the box with Windows Sidebar from Vista. It is possible to use the Windows Sidebar provided in Vista on Windows Server 2008 with a few tweaks outlined here.
On a conventional wired network, physical security is a given: If someone plugs a computer into your hub, you'll know about it immediately, and you can trace the physical wire back to the intruders computer. On wireless networks, however, anyone who comes into range of your wireless access point can tap into your network and intercept signals from it.
By default, a Remote Assistance invitation expires six hours after it's created. For the best security, reduce the expiration time if the expert can respond quickly to your request.
To begin a Remote Assistance session, the novice must ask for help. That's done through either an instant messaging program or by opening the Remote Assistance program and sending an invitation file.
The two parties in a Remote Assistance session are called the novice and the expert. (On some screens and in some documentation, the expert is referred to as the helper.)
Remote Assistance in Windows Vista uses some of the same underlying technology as Remote Desktop Connection, a program that allows you to connect to your computer from a remote location and use it as if you were sitting right it front of it.
After you install a program, Windows announces additions to the Start menu by highlighting the changes on the menu itself.