XWEB: "Logon Failed" After Installing IIS 4.0 on Exchange 5.0

 Last reviewed: January 2, 1998
Article ID: Q176587
The information in this article applies to:
  • Microsoft Exchange Server version 5.0

SYMPTOMS

When you are logging on to a Microsoft Exchange Server using the Microsoft Outlook Web Access (OWA) client, you may receive the following error message: 

   HTTP Error 401 401.1 Unauthorized: Logon Failed.
While attempting to install the Active Server Components shipped with Microsoft Exchange Server version 5.0 on a computer running Internet Information Server (IIS) version 4.0, you may receive one of the following error messages: 

   To install the Active Server Components you need to have previously
   installed WIndows NT 4.0, Internet Information Server (IIS) and Active
   Server Pages.

   Microsoft Exchange Server Setup
   ID no: c1032b99
-OR- 

   The Active Server Components failed to install properly.
Click OK and will receive the following additional error message: 

   The system cannot find the file specified.

   Microsoft Windows NT
   ID no: 0xc0020002

CAUSE

Internet Information Server (IIS) version 4.0 has been installed and configured to access the computer running Exchange Server 5.0. IIS 4.0 is not supported by the Exchange Server version 5.0 Active Server Components. IIS 4.0 is supported by Exchange Server version 5.5.

WORKAROUND

To work around this problem:

  • Install Microsoft Exchange Server 5.5 before installing IIS 4.0 in order to use it with the OWA client.

Additional query words: K2 ASC login
Keywords : XCLN XWEB
Version : WINDOWS:5.0
Platform : WINDOWS
Solution Type : kbwontfix

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Last reviewed: January 2, 1998
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