Microsoft KB Archive/332151

= Pass-through authentication to UNC virtual directories can be enabled through the IIS Manager =

Article ID: 332151

Article Last Modified on 12/3/2007

-

APPLIES TO


 * Microsoft Internet Information Services 6.0

-



This article was previously published under Q332151



SUMMARY
In Internet Information Services (IIS) 5.0, pass-through authentication to UNC virtual directories cannot be configured in the Internet Services Manager (ISM). In IIS 6.0, the IIS Manager contains a check box that permits you to omit the user name and password. If no user name and password are specified, IIS uses the requesting user credentials when you are using an authentication method that can perform delegation to authenticate to the remote share.



MORE INFORMATION
The metabase key that is used in IIS 5.0 to enable pass-through authentication is UNCAuthenticationPassthrough. In IIS 6.0, this metabase key is not used for UNC authentication. The metabase properties UNCUserName and UNCPassword are still used.

Note Pass-through authentication only works for authentication methods that can perform delegation, such as Basic and Kerberos.

You can still set a static user account and password to connect to the resource. For more information, see the product documentation references in the &quot;References&quot; section.

