Knowledge Base

Authentication Requested by Proxy for Some Requests

Article ID: 177502

Article Last Modified on 8/13/1999

Microsoft Proxy Server 1.0 Standard Edition
Microsoft Proxy Server 2.0 Standard Edition

This article was previously published under Q177502

SYMPTOMS

When you access certain Internet sites, your web browser may display a logon dialog box. If you click OK or Cancel repeatedly, you should be able to display the web page.

CAUSE

You may have insufficient directory permissions on the Proxy Server. This problem usually occurs when you access sites returning cookies.

WORKAROUND

Configure all proxy users with Read/Execute access or Full Control access to the following directories and their subdirectories:

   \Inetpub\Scripts\Proxy
   \Urlcache

Also, configure the System account with Full Control access to all of the directories.

MORE INFORMATION

Please refer to the online Proxy Server documentation for information on how to use Password Authentication with Proxy server.

Additional query words: permissions credentials password ntlm basic nt challenge response

Keywords: kbprb KB177502