401 - Unauthorized: Access is denied due to invalid credentials on IIS7 (Windows Server 2008)


i encountered problem in iis7 after disabled "anonymous authentication" , enabled "integrated window  authentication".

hopefully helps encountered same issue.

kb article link:  http://support.microsoft.com/kb/215383

check ntauthenticationproviders iis metabase property, if set default "negotiate,ntlm" .

c:\inetpub\adminscripts>cscript adsutil.vbs w3svc/ntauthenticationproviders

set ntauthenticationproviders iis metabase property "ntlm".

c:\inetpub\adminscripts>cscript adsutil.vbs set w3svc/ntauthenticationproviders "ntlm"



Windows Server  >  Security



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