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How to Enable 'Exchange over the Internet' in Outlook 2003 E-mail Accounts Wizard

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This topic helps you troubleshoot an unsuccessful RPC over HTTP connection by explaining how to enable the Exchange over the Internet area in the Outlook 2003 E-mail Accounts wizard.

When configuring an Outlook 2003 client profile using the E-mail Accounts wizard, if the Exchange over the Internet area does not appear on the Connection tab of the Microsoft Exchange Server dialog box, make sure that your client computer meets the requirements to configure RPC over HTTP. If you installed the service pack and the update package that are required, and the Exchange over the Internet area still does not appear on the Connection tab, edit the Windows registry. To edit the Windows registry, follow the steps below.

Before You Begin

Warning

Incorrectly editing the registry can cause serious problems that may require you to reinstall your operating system. Problems resulting from editing the registry incorrectly may not be able to be resolved. Before editing the registry, back up any valuable data.

Procedure

To Edit Windows Registry

  1. Start Registry Editor.

  2. Locate and then click the following registry subkey:

    HKEY_CURRENT_USER\Software\Microsoft\Office\11.0\Outlook\RPC

  3. Create the following registry entry if it does not exist:

    Value name: EnableRPCtunnelingUI

    Value type: REG_DWORD

    Value data: 1

  4. Quit Registry Editor.

For More Information

For more information about troubleshooting RPC over HTTP communications, see the following topics: