Please refer to the instructions below for your version of Exchange Server.
Exchange Server 2003:
To configure the Exchange authentication method:
- Open the Exchange System Manager.
- Expand the Servers node.
- Expand the server node.
- Expand the Protocols node.
- Expand the HTTP node.
- Expand the Exchange Virtual Server node.
- Right-click on the Exchange node and select Properties.
- Click on the Access tab.
- Click on the Authentication button.
- Make sure Basic Authentication is selected as the only authentication mode, and a single backslash (\) is specified for the Default domain.
- Click on OK.
- Click on OK.
- For the Public node, repeat Steps 7-12.
Make sure that the settings are identical in IIS:
- Open the Internet Information Services (IIS) Manager.
- Expand your server.
- Expand the Web Sites node.
- Expand the Default Web Site node (or website node that contains your Exchange virtual directories).
- Right-click on Exchange in the navigation tree on the left, and select Properties.
- Click the Directory Security tab.
- Click the Edit button within Authentication and access control section.
- Make sure Basic Authentication is selected as the only authentication mode, and a single backslash (\) is specified for the Default domain.
- Click on OK.
- Click on OK.
- For the Public node, repeat Steps 5-10.
Make sure to back out any .config file so that you can easily go back to the previous state.
Exchange Server 2007:
To configure the OWA authentication method:
- Open the Exchange Management Console.
- Expand the Server Configuration node.
- Click the Client Access node.
- Click the Outlook Web Access tab.
- Right-click on OWA and select Properties.
- Click the Authentication tab.
- Select the authentication method to use.
- Click on OK.
To configure the WebDAV authentication method (make sure the authentication method is the same as OWA):
- Open the Exchange Management Console.
- Expand the Server Configuration node.
- Click on the Mailbox node.
- Click on the WebDAV tab.
- Right-click on Exadmin and select Properties.
- Click on the Authentication tab.
- Select the authentication method to use. If possible, we recommend only having Basic Authentication enabled.
- Click on OK.
- Repeat Steps 5-8 for Exchange, Exchweb and Public.
Make sure that the settings are identical in IIS:
- Open the Internet Information Services (IIS) Manager.
- Expand your server.
- Expand the Sites node.
- Expand the Default Web Site node (or website node that contains your Exchange virtual directories).
- Click on Exadmin in the navigation tree on the left.
- Double-click on Authentication within the IIS section on the right.
- Ensure the authenticaiton settings match what you have configured above.
- Repeat Steps 5-7 for Exchange, Exchweb and Public.
Make sure to back out any .config file so that you can easily go back to the previous state.