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How to Configure Internal Host Names

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Microsoft Exchange Server 2007 will reach end of support on April 11, 2017. To stay supported, you will need to upgrade. For more information, see Resources to help you upgrade your Office 2007 servers and clients.

 

Applies to: Exchange Server 2007, Exchange Server 2007 SP1, Exchange Server 2007 SP2, Exchange Server 2007 SP3

Microsoft Outlook Web Access allows access only to internal Windows SharePoint Services document libraries and Windows file shares. A simple set of criteria is used to determine whether an address is internal or external. If there are no dots in a URL that a user clicks, it is treated as internal. If there are one or more dots in the URL, it is treated as internal only if the domain suffix has been added to the list of sites to be treated as internal.

Before You Begin

To perform this procedure, the account you use must be delegated the Exchange Server Administrator role and membership in the local Administrators group for the target server.

For more information about permissions, delegating roles, and the rights that are required to administer Microsoft Exchange Server 2007, see Permission Considerations.

Procedure

To use the Exchange Management Console to manage the list of domain suffixes to be treated as internal

  1. Open the Exchange Management Console, select Server Configuration, and then select Client Access.

  2. On the Outlook Web Access tab, select the virtual directory that you want to configure, and then double-click it to view its properties.

  3. Click the Remote File Servers tab.

  4. Click the Configure button at the bottom of the page.

  5. Enter the domain suffix that you want to add in the text box, and then click Add to add it to the list of domain suffixes to be treated as internal.

  6. Click OK to save your changes, and then click OK again to exit the properties.

To use the Exchange Management Shell to manage the list of domain suffixes to be treated as internal

  1. Run the following command:

    Set-OWAVirtualDirectory -Identity "owa (Default Web Site)" -RemoteDocumentsInternalDomainSuffixList <subdomain.domain.com>

    <subdomain.domain.com> can be any domain that you want included in the list of internal domains.

  2. To add multiple domains, separate each domain name by using a comma (,).

    Note

    This parameter overwrites existing values. If you want to add a single domain to an existing list, you must include all domains in the command.

For more information about syntax and parameters, see Set-OwaVirtualDirectory.

For More Information

For more information about how to configure Windows SharePoint Services and Windows file shares for Outlook Web Access, see Configuring Windows SharePoint Services and Windows File Share Integration for Outlook Web Access.