SharePoint web site keeps on prompting for an authentication error

This SharePoint tutorial explain, how to fix error if SharePoint web site keeps on prompting for authentication error. When you access SharePoint web site from the Sharepoint server, it keeps on prompting for authentication.

SharePoint web site keeps on prompting for authentication error

To resolve this issue you need to create a key for disable loop back check in registry.

Method 1:
Run this PowerShell command:

New-ItemProperty HKLM:\System\CurrentControlSet\Control\Lsa -Name "DisableLoopbackCheck" -value "1" -PropertyType dword

Method 2:
You can also navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa in registry and create the dword32 for DisableLoopbackCheck, modify the value to 1.

This tutorial, we learned how to fix error SharePoint web site keeps on prompting for an authentication error.

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