DOCUMENT:Q274197  11-JUN-2002  [exchange]
TITLE   :XADM: Error Message: System Cannot Find the File Specified
PRODUCT :Microsoft Exchange
PROD/VER::5.5
OPER/SYS:
KEYWORDS:exc55

======================================================================
-------------------------------------------------------------------------------
The information in this article applies to:

 - Microsoft Exchange Server, version 5.5 
-------------------------------------------------------------------------------

IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:

   Q256986 Description of the Microsoft Windows Registry

SYMPTOMS
========

If you remove Microsoft Outlook Web Access (OWA) and Microsoft Internet
Information Services (IIS) 4.0 manually from an Exchange Server computer, and
then you try to install an Exchange Server service pack, the service pack
installation may not work and you may receive the following error message:

   System cannot find the file specified
   Microsoft Windows NT
   ID No: 0xc0020002

No messages are logged in the Application event log or System event log.

CAUSE
=====

This issue can occur if you remove IIS and OWA by deleting the
HKEY_LOCAL_MACHINE/System/CCS/Services/MSExchangeWEB key and by deleting the
Webdata, Webdata.bak, and Webtemp folders.

When you run the service pack installation, Setup displays a message that Setup
is backing up the Webdata folder and stops responding immediately afterward. The
MSExchangeWEB key is also re-created with no values.

RESOLUTION
==========

To resolve this issue, delete the Web Connector registry key.

WARNING: If you use Registry Editor incorrectly, you may cause serious problems
that may require you to reinstall your operating system. Microsoft cannot
guarantee that you can solve problems that result from using Registry Editor
incorrectly. Use Registry Editor at your own risk.

To delete the Web Connector registry key:

1. Start Registry Editor (Regedt32.exe).

2. Locate and click the following key in the registry:

   HKEY_LOCAL_MACHINE\Software\Microsoft\Exchange\Setup\Web Connector

3. On the Edit menu, click Delete.

4. Quit Registry Editor.

MORE INFORMATION
================

Setup for Exchange Server service packs checks for installed components in the
Setup key. If the Web Connector key is present, Setup proceeds as if OWA is
installed; therefore, Setup immediately stops responding because IIS is no
longer present.


Additional query words: fails webdata bak webtemp ntopremove bat

======================================================================
Keywords          : exc55 
Technology        : kbExchangeSearch kbExchange550 kbZNotKeyword2
Version           : :5.5
Issue type        : kbprb

=============================================================================

THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS
PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND.  MICROSOFT DISCLAIMS
ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  IN NO
EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR
ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL,
CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF
MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.  SOME STATES DO NOT ALLOW THE EXCLUSION
OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES
SO THE FOREGOING LIMITATION MAY NOT APPLY.

Copyright Microsoft Corporation 2002.