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Disable Loopback Check in IIS

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This is useful in many scenarios. For me it’s more useful for disable to keep on prompting credentials in SharePoint 2013 Environment.

In this method, you can simply disable the check by editing the following registry key.

Open the RegEdit.

Navigate to**: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa**

Click on Lsa Registry and add DisableLoopbackCheck registry key as DWORD value.

After adding the registry key you can find the entry as follows.

Then double-click the key and Enter 1.

Click OK.

Restart the IIS.