Proxy Clients Accessing an Internal Web Site from the Internet Receive Error Message (259678)


The information in this article applies to:

  • Microsoft Proxy Server 2.0
This article was previously published under Q259678

SYMPTOMS

Clients on the Internet that try to access a Web site on an internal network (Web publishing) may receive the following error message:
HTTP Error 401
401.1 Unauthorized: Logon Failed

CAUSE

This error message is generated only if you select the Allow Anonymous Access option as an authentication method. The Allow Anonymous Access option uses IUSR_computername account credentials. The password for the IUSR_computername account in Default Web Site properties does not match the password for the IUSR_computername account in User Manager.

RESOLUTION

To resolve this issue, follow these steps on the proxy server:
  1. Click Start, point to Programs, click Windows NT 4.0 Option Pack, click Microsoft Internet Information Server, and then click Internet Service Manager.
  2. Right-click Default Web Site, and then click Properties.
  3. Click Directory Security.
  4. Under Anonymous Access and Authentication Control, click Edit.
  5. Under Account Used for Anonymous Access, click Edit.
  6. Click to select the Enable Automatic Password Synchronization check box.
Modification Type:MajorLast Reviewed:10/22/2002
Keywords:kbenv kberrmsg kbprb KB259678
©2002 Microsoft Corporation. All rights reserved.