Additional Notes About Microsoft Exchange Server

WARNING: You must have previously installed Microsoft Exchange Server 5.5 
         Service Pack 1 in order to apply this patch.

This document contains information not available in the Microsoft Exchange
Server documentation, as well as information on changes that occurred after
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Installing Microsoft Exchange Server 5.5 Post SP1 patch for the World Wide Web 
Publishing Service and the Internet Information Server (IIS) Administrator Service 
(if you are using IIS 4.0).

STEP TO INSTALL
==============

Download the compressed setup file appropriate for the server for your hardware
platform. Select the appropriate files as indicated by the following list:
		
		Alpha AXP(TM)		PSP1CDOA.EXE
		Intel(R)		PSP1CDOI.EXE
		

1.  Download appropriate file to a temporary location on the servers local hard 
    drive.
    Example: English version for the Intel platform will be located at :

    ftp://ftp.microsoft.com/bussys/exchange/exchange-public/fixes/<LANG>
    /Exchg5.5/PostSP1/CDOHTML-fix/PSP1CDOI.EXE

2.  Unzip the file by typing the file name of the self-extracting archive
    at the command prompt.
    Example: The version for the Intel platform will be PSP1CDOI.

3.  Stop the World Wide Web Publishing Service and the Internet Information
    Server (IIS) Administrator Service (if you are using IIS 4.0).

4.  Rename your existing cdohtml.dll in your \exchsrvr\bin directory to cdohtml.old

5.  Copy the included cdohtml.dll to your \exchsrvr\bin directory

6.  Copy the included cdohtml.dbg file to your \winnt\symbols directory (optional)

7.  Click Start, Run, and in the text box type (or replace c: with whatever drive 
    the \exchsrvr\bin is located on):

      regsvr32.exe c:\exchsrvr\bin\cdohtml.dll

8.  This will register the cdohtml.dll, click OK on the dialog stating the cdohtml.dll 
    was registered successfully.

9.  Start the World Wide Web Publishing Service and the Internet Information Server (IIS) 
    Administrator Service (if you are using IIS 4.0).

10. The Exchange Server computer should be updated successfully now and you should no 
    longer get the HTTP 404 error when opening messages.

Note: Use the Q192930 number to query the Microsoft Knowledge Base for an 
article about that bug.

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