Applies to: Exchange Server 2010 SP3, Exchange Server 2010 SP2

Topic Last Modified: 2012-07-23

You can configure Windows Basic authentication for Outlook Web App in Microsoft Exchange Server 2010. Basic authentication sends the user's sign-in name and password in clear text and shouldn't be used without using Secure Sockets Layer (SSL) encryption between the client computers and the computer that has the Client Access server role installed.

Looking for other management tasks related to standard authentication for Outlook Web App? Check out Setting Up Standard Authentication Methods for Outlook Web App.

Use the EMC to configure Basic authentication for Outlook Web App

You need to be assigned permissions before you can perform this procedure. To see what permissions you need, see the "Outlook Web App virtual directories" entry in the Client Access Permissions topic.

  1. In the console tree, locate the virtual directory that you want to configure to use Basic authentication by using the information in step 2 or step 3.

  2. Select Server Configuration, select Client Access, select the server hosting the Outlook Web App virtual directory, and then click the Outlook Web App tab.

  3. In the work pane, select the virtual directory that you want to configure to use Basic authentication, and then click Properties.

  4. Click the Authentication tab.

  5. Select Use one or more standard authentication methods.

  6. Select Basic authentication.

  7. Click OK.

Use the Shell to configure Basic authentication for Outlook Web App

You need to be assigned permissions before you can perform this procedure. To see what permissions you need, see the "Outlook Web App virtual directories" entry in the Client Access Permissions topic.

This example configures Basic authentication on the default Outlook Web App virtual directory in the default Internet Information Services (IIS) Web site on the local Exchange server.

Copy Code 
Set-OwaVirtualDirectory -Identity "owa (Default Web Site)" -BasicAuthentication <$true|$false>

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

Other Tasks

After you configure Basic authentication for Outlook Web App, you may also want to Configure Outlook Web App Virtual Directories to Use SSL.