Configuring the Server Authentication Method

Please refer to the instructions below for your version of Exchange Server.

Exchange Server 2003:

To configure the Exchange authentication method:

  1. Open the Exchange System Manager.
  2. Expand the Servers node.
  3. Expand the server node.
  4. Expand the Protocols node.
  5. Expand the HTTP node.
  6. Expand the Exchange Virtual Server node.
  7. Right-click on the Exchange node and select Properties.
  8. Click on the Access tab.
  9. Click on the Authentication button.
  10. Make sure Basic Authentication is selected as the only authentication mode, and a single backslash (\) is specified for the Default domain.
  11. Click on OK.
  12. Click on OK.
  13. For the Public node, repeat Steps 7-12​.

Make sure that the settings are identical in IIS:

  1. Open the Internet Information Services (IIS) Manager.
  2. Expand your server.
  3. Expand the Web Sites node.
  4. Expand the Default Web Site node (or website node that contains your Exchange virtual directories).
  5. Right-click on Exchange in the navigation tree on the left, and select Properties.
  6. Click the Directory Security tab.
  7. Click the Edit button within Authentication and access control section.
  8. Make sure Basic Authentication is selected as the only authentication mode, and a single backslash (\) is specified for the Default domain.
  9. Click on OK.
  10. Click on OK.
  11. 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:

  1. Open the Exchange Management Console.
  2. Expand the Server Configuration node.
  3. Click the Client Access node.
  4. Click the Outlook Web Access tab.
  5. Right-click on OWA and select Properties.
  6. Click the Authentication tab.
  7. Select the authentication method to use.
  8. Click on OK.

To configure the WebDAV authentication method (make sure the authentication method is the same as OWA):

  1. Open the Exchange Management Console.
  2. Expand the Server Configuration node.
  3. Click on the Mailbox node.
  4. Click on the WebDAV tab.
  5. Right-click on Exadmin and select Properties.
  6. Click on the Authentication tab.
  7. Select the authentication method to use. If possible, we recommend only having Basic Authentication enabled.
  8. Click on OK.
  9. Repeat Steps 5-8 for Exchange, Exchweb and Public​.

Make sure that the settings are identical in IIS:

  1. Open the Internet Information Services (IIS) Manager.
  2. Expand your server.
  3. Expand the Sites node.
  4. Expand the Default Web Site node (or website node that contains your Exchange virtual directories).
  5. Click on Exadmin in the navigation tree on the left.
  6. Double-click on Authentication within the IIS section on the right.
  7. Ensure the authenticaiton settings match what you have configured above.
  8. 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.​

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