A Brief History of Microsoft Exchange Server

Overview on Microsoft Exchange

Evolution of Microsoft ExchangeExchange server 4.0Exchange Server 5.0Exchange Server 5.5Exchange 2000 ServerExchange 2003 ServerExchange 2007 ServerExchange 2010 Server

AndExchange 2013 Server

This is the First version introduced in 1996 and measure breakthrough for Microsoft.

This version were install on Windows NT Server 3.51 In 1996, the Internet was just opening up to the public. One of the real Applications that took the advantage of the

Internet was the MS Exchange Server 4.0 Organizations were able to connect their Exchange 4.0

Server to the internet and Users able to send and receive mail easily to anyone else with internet–connected email system.

Earlier Microsoft were having mailing system name MS mail 3.0 which worked on scheduled basis and for that need to create dial up connections.

In Exchange 4.0 server had a persistent or always on connection with the help of ISDN or Frame Relay Network connection to the internet.

Exchange Server 4.0

This version came out in 1997 and were installed on OS Windows NT 4.0

Supported the First Outlook version, which was came up with MS office 97.

Exchange server 5.0 tied email, Calendaring and Address Books all together.

Microsoft also released the First version of Outlook Web Access (OWA).

Exchange Server 5.0

This version significantly better integration occurred between email, Calendar, contacts, and tasks.

Enterprise Edition of Exchange server 5.5 that provided more than 16GB of data storage, which was very high data storage in that period.

In this OWA was improved to provide a faster and easier-to-use web client.

Also this version is the testing ground of Active Directory, which was introduced with Windows server 2000. and They First introduce Directory service with this Exchange Server 5.5 version.

Exchange Server 5.5

Base or require OS is Windows 2000 server to run this version.

Used Active Directory for the Global Address Book (GAL). (Earlier version of Exchange, both Windows and Exchange systems store user information in different database)

Exchange server access the users from directory, and integrate with users mailbox.

Exchange server 2000 also introduced Active x in OWA client, which performs Drag and drop in OWA.

Exchange Server 2000

It is the major update to the Exchange server messaging system

Exchange server 2003 and Active Directory 2003 provided a more reliable experience, better performance, and integration support between Exchange server and AD.

Added Mobility access feature for users to synchronize their Mobile Devices to Exchange server.

Mirroring in the OWA interface with the normal Microsoft office Outlook Desktop client, So users can operate easily.

Windows Server 2003 introduced Clustering service, which helps to MS Exchange server 2003, and also support Active-Active and Active-Passive clustering.

Exchange Server 2003

Direct push for Mobile devices It pushes messages to mobile devices, which prevent

constant pulling by the Mobile devices. Earlier mobile devices are continuously connected to

exchange server and checking the new mails in mailbox and if, new mails come then devices downloading the mails.

Volume Shadow Copy service It enable improved backup and restore capabilities,

thereby reducing the impact to users and increasing system availability.

Recovery Storage Group Recover entire storage groups, databases, or individual

mailboxes while minimizing impact to your users.

Exchange Server 2003 Features

The Roles in Exchange 2003

2 roles (Front-End & Back-End) Front-End Server purpose to serve OWA &

IMAP/POP3 Users who are trying to connect Mailbox

Back-End Server provides access to SMTP & Mailbox Database to users

Primary Purpose of front-end is for clients with large amount of OWA users. Or clients with multiple Back-Ends in different offices to maintain quality OWA performance.

Network Design for Roles in Exchange 2003

• Front-End & Back-End Environments

Exchange 2003 Management

Standard vs. Enterprise Edition

Introduce 5 Roles and discontinued the Back-End and Front-End concept.

Eliminated concept of Routing Groups and used Active Directory Sites and Services to move email from one site to another and route as Active Directory replication.

Exchange Ant spam Introduction of Continuous Replication (CR)

If the Primary database failed, the Secondary copy of the Database automatically came online within 20-30 seconds, the outlook users will reconnect to the new server automatically, and the user never knew that the primary Exchange server had failed.

Exchange 2007 Server

Types of Clustering in Exchange 2007 Single Copy Cluster (SCC) Local Continuous Replication (LCR) Cluster Continuous Replication (CCR) Standby Continuous Replication (SCR)

Exchange Management Shell Built upon new command line PowerShell

technology from Windows Enables the same operations that are in Exchange

Server 2007 EMC GUI at the Command Line Supports automation and bulk operations

Exchange Management Console Transport rules

Exchange 2007 Server

Improved Exchange Management ConsoleExchange Server

2003Exchange Server

2007

Exchange 2007 Server Roles

Perimeter IntranetAll runs on Domain basedMust be run on a workgroup based

Mailbox – used for storing end users mails and public folders data.

Hub Transport – handles mail routing to next hop and Filters e-mail between mailboxes, even if they reside on the same server.

Client Access – provides the other mailbox server protocol access apart from MAPI. Similar to Exchange 2003 Frontend server, it enables user to use an Internet browser (OWA), 3rd party mail client (POP3/IMAP4) and mobile device (ActiveSync) to access their mailbox.

Edge Transport – perimeter mail gateway server for hygiene and security (Filters Inbound/ Outbound traffic).

Unified Messaging – enables end users to access their mailbox, address book, & calendar using telephone & voice.

Exchange 2007 Server Roles Responsibilities

Role Based Server Configurations

• Five server roles

• Server roles chosen at

install

• Automated Server install

(Exchange Management

Shell)

Role Based Access Control (RBAC) Delegation of Exchange server responsibility and permission

to Administrators and users. User can manage and set permission on his account through

Self-service Web Based management and you can access this from anywhere as it is Web based.

Introduction of Database Availability Group (DAG) It is New Continuous backup and replication technology that

effectively allows Exchange server to now joined up to 16 Servers to DAG with maximum 100 Mailbox database.

Integrated Archiving and Retention Users can archive the old mails which they are accessing

rarely into archive folders. Users can specify that mails can store or not in mailbox by

tagging, with the help of retention.

Exchange 2010 Server

Allows for improvements in client access and limited end-user disruption during mailbox moves and maintenance.

Edge Transport and Hub Transport server keeping “Shadow copies” of mails while transporting.

It will use in feature, if any server hardware got failure and after that once the server will up it will re-sent those mails which was not during the failure.

Exchange 2010 Server

Evolution of Server Roles in Exchange 2013

Exchange Admin Center Data Loss Prevention Integration with SharePoint and Lync Built in Anti-malware Improvement setups Office 365 Environment Apps for Microsoft Office are available

for both the Outlook application and OWA

Exchange 2013 Server Features