DOCUMENT:Q154751  07-SEP-1999  [exchange]
TITLE   :XCLN: Corrupt Reminder.dat Causes Errors with Preview Pane
PRODUCT :Microsoft Exchange
PROD/VER:WINDOWS:4.0,5.0
OPER/SYS:
KEYWORDS:kbusage

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The information in this article applies to:

 - Microsoft Exchange Windows 95/98 client, versions 4.0, 5.0 
 - Microsoft Exchange Windows NT client, versions 4.0, 5.0 
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SYMPTOMS
========

If you attempt to set a reminder for a message using the Preview Pane Extension
from the Technical Resource Kit you may receive one of the following error
messages:

   Unable to read all of the bytes specified in a call to a read file.

-or-

   Unable to compare message entry identifiers.

CAUSE
=====

You may have a corrupt Reminder.dat file. This file contains the reminders you
may have created using the Preview Pane Extension.

WORKAROUND
==========

You can either rename or delete the Reminder.dat file, which is normally located
in the Windows directory, to keep from receiving the error message. You will
lose any of the reminders you have created using the Preview Pane Extension.

NOTE: Always make a backup copy of the Reminder.dat file prior to renaming or
deleting it.

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

The Preview Pane Extension is a part of the Microsoft Exchange Technical
Resource. Microsoft Product Support Services will use commercially reasonable
efforts in addressing all support problems. For more information about support
or the Preview Pane, please see the Readme.txt file on the Microsoft Exchange
Technical Resource compact disc.

Additional query words: PPE Tech CD

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Keywords          : kbusage 
Technology        : kbExchangeSearch kbExchangeClientSearch kbZNotKeyword kbZNotKeyword2 kbZNotKeyword3 kbExchange400NT kbExchange500NT kbExchange400Win95 kbExchange500Win95
Version           : WINDOWS:4.0,5.0

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