One or more web applications are configured to use Windows Classic authentication (SharePoint 2013)

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Applies to: SharePoint Foundation 2013, SharePoint Server 2013

Topic Last Modified: 2013-12-18

Summary: Learn how to resolve the SharePoint Health Analyzer rule "One or more web applications are configured to use Windows Classic authentication."

Rule Name:  One or more web applications are configured to use Windows Classic authentication.

Summary: This health rule is triggered when at least one Web application is configured to use Windows Classic authentication mode. Windows Classic authentication is deprecated in SharePoint 2013. We recommend that you migrate to claims-based authentication, because many of the features in SharePoint 2013 require the claims-based authentication mode.

Cause:  Web applications are configured to use Windows Classic authentication mode.

Resolution: Migrate Web applications from classic mode to claims-based authentication.


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