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Basic authentication is being deprecated (SharePoint Server)

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APPLIES TO: no-img-132013 no-img-162016 no-img-192019 yes-img-seSubscription Edition no-img-sopSharePoint in Microsoft 365

Rule Name: Basic authentication is being deprecated

Summary: Basic authentication is currently enabled in one or more web applications within SharePoint Server. It's important to note that Basic authentication is being deprecated and will no longer be supported in SharePoint Server for all scenarios. For more information, see What's deprecated or removed from SharePoint Server Subscription Edition.

Basic authentication doesn't provide confidentiality protection for the transmitted credentials. To better protect your SharePoint Server, it's highly recommended that you migrate web applications to a modern authentication mechanism (for example, Trusted Identity providers) as soon as possible.

Cause: One or more web applications in your SharePoint Server are using Basic authentication, which is being deprecated.

Resolution: Disable Basic authentication

Ensure that Basic authentication is disabled in both SharePoint Server and IIS settings:

Follow these steps to disable Basic authentication in SharePoint Server:

  1. Verify that you're the farm admin.
  2. Navigate to Central Administration, select Application Management, and then select Manage web applications.
  3. Select the web application you want to disable Basic authentication.
  4. Click on the Authentication Providers link in the ribbon.
  5. Choose the appropriate zone for the web application.
  6. Uncheck the option Basic authentication (password is sent in clear text).

Follow these steps to disable Basic authentication in IIS:

  1. Verify that you're a member of the Administrators group on the server where you're configuring IIS.
  2. On the Start menu, point to All Programs, select Administrative Tools, and then select Internet Information Services (IIS) Manager to start the IIS Management Console.
  3. Expand Sites on the console tree, right-click the IIS web site that corresponds to the web application zone where you want to disable Basic authentication.
  4. In the middle pane, double-click the Authentication icon.
  5. In the Authentication pane, locate and select Basic authentication.
  6. In the Actions pane on the right-hand side, click Disable to disable Basic authentication.