DOCUMENT:Q216532  30-SEP-1999  [exchange]
TITLE   :XADM: Exchange 5.5 Does Not Function Properly on EV6 Computer
PRODUCT :Microsoft Exchange
PROD/VER:winnt:5.5
OPER/SYS:
KEYWORDS:exc55 EXC55SP3Fix

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

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


SYMPTOMS
========

Exchange Server 5.5 may not function properly on DEC Alpha EV6 (21264)
computers. In particular, Exchange Server may stop responding (hang) or
experience performance problems. Note that this problem does not occur on
earlier DEC Alpha computers, including the EV4 (21064), EV5 (21164), and EV5.6
(21164A).

CAUSE
=====

Certain operations performed by the Ese.dll dynamic-link library (DLL) file do
not completely conform to the DEC Alpha architecture specification.

RESOLUTION
==========

To resolve this problem, obtain the latest service pack for Exchange Server
version 5.5. For additional information, please see the following article in the
Microsoft Knowledge Base:

   Q191014 XGEN: How to Obtain the latest Exchange Server 5.5 Service Pack

The English version of this fix should have the following file attributes or
later:

Component: Exchange Database Engine

+------------------------+
| File name | Version    | 
+------------------------+
| Ese.dll   | 5.5.2545.0 | 
+------------------------+

This hotfix has been posted to the following Internet location as Psp2esea.exe
(Alpha) and Psp2esei.exe (x86):

   ftp://ftp.microsoft.com/bussys/exchange/exchange-public/fixes/Eng/Exchg5.5/PostSP2/ESE-fix/


STATUS
======

Microsoft has confirmed this to be a problem in Microsoft Exchange Server
version 5.5. This problem was first corrected in Exchange Server 5.5 Service
Pack 3.

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

You may be able to determine if your DEC Alpha computer contains an EV6
microprocessor by using the Control Panel System tool and then clicking the
General tab. If your DEC Alpha computer contains an EV6 microprocessor,
"DEC-21264" (without quotation marks) appears under Computer. For more
information about how to determine if your DEC Alpha computer contains an EV6
microprocessor, please contact Compaq.


The third-party products discussed in this article are manufactured by vendors
independent of Microsoft; we make no warranty, implied or otherwise, regarding
these products' performance or reliability.

Additional query words:

======================================================================
Keywords          : exc55 EXC55SP3Fix 
Technology        : kbExchangeSearch kbExchange550 kbZNotKeyword2
Version           : winnt:5.5
Issue type        : kbbug
Solution Type     : kbfix

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

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