Microsoft KB Archive/188717

= PRB: Request.ServerVariables("LOGON_USER") Returns Empty String =

Article ID: 188717

Article Last Modified on 6/16/2006

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APPLIES TO


 * Microsoft Active Server Pages 2.0
 * Microsoft Active Server Pages 3.0
 * Microsoft Internet Information Server 4.0
 * Microsoft Internet Information Services 5.0

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This article was previously published under Q188717



SYMPTOMS
Accessing the Request.ServerVariables("LOGON_USER") variable from Active Server Pages (ASP) returns an empty string.



CAUSE
The LOGON_USER variable is not populated if you use the Allow Anonymous security to access the ASP page.

In order for the LOGON_USER variable to be populated, the user must be authenticated using either Basic or NT Challenge/Response security.



STATUS
This behavior is by design.

Additional query words: allow anonymous LOGON_USER ASP ServerVariables Request

Keywords: kbprb kbscript kbsecurity KB188717

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