XADM: Exchange Server 5.5 Does Not Function Properly on DEC Alpha EV6 Computer (216532)

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, click the following article number to view the article in the Microsoft Knowledge Base:

191014 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 that this is 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 that are discussed in this article are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.