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The second article KB22601 was really helpful to complete the task. I could upgrade the BES ver to 5.0.3.<br />
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Thank you very much for your comment and you can close the case.
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I need to upgrade my BES server from 4.1.7 to latest as Ist phase of my exhchange migration from 2003 to EX 2010.<br />
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Current Exchange Infrastructure:<br />
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Exchange server: 2003 Enterprise SP2 - 32 bit<br />
BES server OS: &nbsp; &nbsp; Windows 2003 R2 STD SP2- 32bit<br />
MAPI CDO ver: &nbsp; &nbsp;version 6.5(Build 7638.2: SP2)<br />
BES DB: SQL 2005 STD SP3- 32 bit<br />
<br />
Please let me know the how I can upgrade BES with detailed steps..
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I need to upgrade my BES server from 4.1.7 to latest as Ist phase of my exhchange migration from 2003 to EX 2010.


Current Exchange Infrastructure:

Exchange server: 2003 Enterprise SP2 - 32 bit
BES server OS:     Windows 2003 R2 STD SP2- 32bit
MAPI CDO ver:    version 6.5(Build 7638.2: SP2)
BES DB: SQL 2005 STD SP3- 32 bit

Please let me know the how I can upgrade BES with detailed steps..

The second article KB22601 was really helpful to complete the task. I could upgrade the BES ver to 5.0.3.

Thank you very much for your comment and you can close the case.

Upgrade Blackberry BES server.

Windows Server 2003 was based on Windows XP and was released in four editions: Web, Standard, Enterprise and Datacenter. It also had derivative versions for clusters, storage and Microsoft’s Small Business Server. Important upgrades included integrating Internet Information Services (IIS), improvements to Active Directory (AD) and Group Policy (GP), and the migration to Automated System Recovery (ASR).

Windows Server 2003

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.