How to Configure Outlook to Access E-Mail Over the Internet

Applies To: Windows Essential Business Server

You can manually enable Outlook Anywhere in Microsoft Outlook 2007 on your computer by using the following procedure. Outlook Anywhere (formerly called RPC over HTTP) allows you to access your e-mail mailbox on the Microsoft Exchange Server over the Internet, without using a virtual private network (VPN).


Your network administrator can provide information on the specific settings that are required to enable Outlook Anywhere in your network. Your administrator may also be able to enable Outlook Anywhere automatically or by using a script.


If you using Microsoft Outlook 2003, you must follow a different procedure to enable Microsoft Outlook to connect to Exchange Server over HTTP. For more information, see the Office Online article at the Microsoft Web site (

To enable Outlook Anywhere in Outlook 2007

  1. On the Tools menu, click Account Settings, select the Exchange account, and then click Change.

  2. Click More Settings, and then click the Connection tab.

  3. Under Outlook Anywhere, select the Connect to Microsoft Exchange using HTTP check box.


    If the Outlook Anywhere section is not available, your computer is probably not running Windows XP Service Pack 2 or Windows Vista.

  4. To specify a proxy server, click Exchange Proxy Settings.

    1. Type the URL that is provided by your network administrator.

    2. If your network administrator tells you to use a Secure Sockets Layer (SSL) connection, select the Connect using SSL only check box.

    3. If your network administrator instructs you to do so, select the Only connect to proxy servers that have this principal name in their certificate check box, and then type msstd: followed by the URL provided by the administrator.

  5. Under Proxy authentication settings, click NTLM Authentication.


    To use Outlook Anywhere in your network, you must select NTLM authentication as your authentication method.