DOCUMENT:Q146464  18-MAR-1999  [exchange]
TITLE   :XCLN: Err Msg: Unable to Obtain a Valid...Revocation List
PRODUCT :Microsoft Exchange
PROD/VER:WINDOWS:4.0,5.0
OPER/SYS:
KEYWORDS:kbenv

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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 3.x client, versions 4.0, 5.0 
 - Microsoft Exchange Windows NT client, versions 4.0, 5.0 
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SYMPTOMS
========

You may get the following error when you try to encrypt and/or sign messages:

   Unable to obtain a valid certificate revocation list. Digital signatures
   cannot be trusted at this time.

CAUSE
=====

The Key Management (KM) Server can not write the certification revocation list
to the directory. This happens when the KM Server service account is not set
correctly.

RESOLUTION
==========

Make sure the service account for the KM Server is the Microsoft Exchange
service account.


Additional query words:

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Keywords          : kbenv 
Technology        : kbExchangeSearch kbExchange500 kbExchange400 kbExchangeClientSearch kbZNotKeyword kbZNotKeyword2 kbZNotKeyword3 kbExchange400NT kbExchange500NT kbExchange400Win95 kbExchange500Win95
Version           : WINDOWS:4.0,5.0

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