Wednesday, March 7, 2012

What is the difference between MS Exchange Server 2003 and MS Exchange Server 2007?

I am a student of MCSE, So our faculty told us for upgradation From MS Exchange Server 2003 and MS Exchange Server 2007.

Is it beneficial?

Is there much difference between these 2 exchange server?

So should i have to upgrade or not?

Pleae help meWhat is the difference between MS Exchange Server 2003 and MS Exchange Server 2007?
Exchange Server 2003 (v6.5) (currently at Service Pack 2) can be run on Windows 2000 Server (only if Service Pack 4 is first installed) and 32-bit Windows Server 2003, although some new features only work with the latter. Like Windows Server 2003, Exchange Server 2003 has many compatibility modes to allow users to slowly migrate to the new system. This is useful in large companies with distributed Exchange Server environments who cannot afford the downtime and expense that comes with a complete migration.

One of the new features in Exchange Server 2003 is enhanced disaster recovery which allows administrators to bring the server online quicker. This is done by allowing the server to send and receive mail while the message stores are being recovered from backup.

Exchange Server 2007 was released in late 2006 to business customers as part of Microsoft's roll-out wave of new products. It includes new clustering options, 64-bit support for greater scalability, voice mail integration, better search and support for Web services, better filtering options, and a new Outlook Web Access interface. Exchange 2007 also dropped support for Exchange 5.50 migrations, routing groups, admin groups, Outlook Mobile Access, X.400, and some API interfaces, amongst other features.

Key improvements

The principal enhancements, as outlined by Microsoft, are

1.Protection: anti-spam, antivirus, compliance, clustering with data replication, improved security and encryption

2.Improved Information Worker Access: improved calendaring, unified messaging, improved mobility, improved web access

3.Improved IT Experience: 64-bit performance %26amp; scalability, command-line shell %26amp; simplified GUI, improved deployment, role separation, simplified routing

4.Exchange Management Shell: a new command-line shell and scripting language for system administration (based on Windows PowerShell). Shell users can perform every task that can be performed in the Exchange Server graphical user interface plus additional tasks, and can program often-used or complex tasks into scripts that can be saved, shared, and re-used. The Exchange Management Shell has over 375 unique commands to manage features of Microsoft Exchange Server 2007.

5."Unified Messaging" that lets users receive voice mail, e-mail, and faxes in their mailboxes, and lets them access their mailboxes from cell phones and other wireless devices. Voice commands can be given to control and listen to e-mail over the phone (and also send some basic messages, like "I'll be late")

6.Removed the database maximum size limit. Database size is now limited by hardware capability and the window for backups and maintenance.

7.Increased the maximum number of storage groups and mail databases per server, to 5 each for Standard Edition (from 1 each in Exchange Server 2003 Standard), and to 50 each for Enterprise Edition (from 4 groups and 20 databases in Exchange Server 2003 Enterprise).

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