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Microsoft Exchange Server 2003: Messaging Systems Overview

Learn about types of messaging systems, features of Exchange Server 2003, shared file vs. database messaging systems, active directory integration, and server management.

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Microsoft Exchange Server 2003: Messaging Systems Overview

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  1. 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration Chapter One Introduction to Exchange Server 2003

  2. Objectives • Describe different types of messaging systems • Understand the features available in Exchange Server 2003 • List the new features available in Exchange Server 2003 • List the features removed from Exchange Server 2003 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  3. Types of Messaging Systems • Messaging systems are a standard part of almost every company • Allow easy communication between all levels of staff in an organization • Messaging systems can be divided into two categories: • Shared file messaging systems • Database messaging 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  4. Shared File Messaging Systems • Central server is used to store messages in files • Client software is responsible for performing most of the work • Early messaging systems were shared file messaging systems 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  5. Database Messaging Systems • Use a central database to store the messages for all users • Client software does not access the database directly • Microsoft Exchange is a database messaging system 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  6. Exchange Server 2003 • Features: • Active Directory integration • Cluster capable • Policy-based management • Recipient management flexibility • Excellent client software 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  7. Exchange Server 2003 (continued) • Features (continued) • Address book manageability • Public folders • Scalability • Security • Disaster recovery • Flexible upgrade options 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  8. Active Directory Integration • Directory service for tracking user characteristics and system configuration • Included in Exchange Server 2003 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  9. Activity 1-1: Installing Windows Server 2003 • Objective: Install Windows Server 2003 • Description: Windows Server 2003 is required before Exchange Server 2003 is installed 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  10. Activity 1-2: Configuring a Static IP Address • Objective: Configure your server with a static IP address • Description: Static IP address is needed so users have a consistent place to connect 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  11. Activity 1-3: Installing Active Directory • Objective: Install Active Directory • Description: Exchange Server 2003 requires Active Directory to store configuration information 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  12. Cluster Capable • Allows applications to be installed on multiple servers but running on only one at a time • If an application fails on one server, a second server takes over • Important for highly available systems 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  13. Activity 1-4: Modifying Microsoft Internet Explorer DefaultSecurity • Objective: Modify the default security settings of Internet Explorer • Description: You must reduce the security settings on your server to perform Web research 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  14. Policy-based Management • Recipient policies • Allow administrators to define criteria for groups of users to be managed • Server policies • Used to manage groups of servers 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  15. Recipient Management Flexibility • Potential recipients: • Users (most common) • Security groups • Distribution groups • Contacts • Public folders 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  16. Excellent Client Software • Exchange Server 2003 is capable of acting as a server for many different e-mail clients • Many advanced features are available only when using Outlook as the client software 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  17. Excellent Client Software (continued) • Outlook Web Access (OWA) • A Web-based version of Outlook • Simple Mail Transfer Protocol (SMTP) • For mail delivery • Post Office Protocol version 3 (POP3) • Allows storage of messages in a single inbox • Internet Message Access Protocol (IMAP) • Allows message storage in multiple folders 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  18. Activity 1-5: Installing Internet Information Services • Objective: Install Internet Information Services (IIS) • Description: IIS is required for Outlook Web Access 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  19. Address Book Manageability • Global Address List (GAL) • List of all users in an organization • Application Service Provider (ASP) • Ensures that each customer only has his own employees in the GAL 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  20. Public Folders • Public folders are used by Exchange Server 2003 to support: • Shared calendars • Discussion groups • Shared mailboxes • Messaging applications 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  21. Scalability • Scaling out • A single application is installed on multiple servers • Servers communicate to operate as a single system 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  22. Security • Security is supported when users are sending messages • Secure Multipurpose Internet Mail Extension (S/MIME) • Encrypts Internet e-mail messages • Secure Sockets Layer (SSL) • Encrypts communication between servers and clients 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  23. Disaster Recovery • NT Backup is installed with Exchange Server 2003 • Backs up the Exchange databases while being accessed • Backs up and restores only entire Exchange databases • Third-party software can restore individual messages 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  24. Flexible Upgrade Options • Exchange Server 5.5 and Exchange 2000 Server can be upgraded to Exchange Server 2003 • Exchange 2000 Server can be upgraded with a simple in-place upgrade • Exchange Server 2003 is installed over an existing Exchange 2000 server 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  25. New Features of Exchange Server 2003 • Improved OWA • Kerberos authentication • RPC over HTTP • Mobile Services for Exchange 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  26. New Features of Exchange Server 2003 (continued) • Query-based distribution groups • Recovery storage group • Enhanced clustering • Internet Mail Wizard • Connection filtering 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  27. Improved OWA • The new version of OWA has almost the complete functionality of the full Outlook client • Attachment blocking stops attachments with certain file extensions • Junk e-mail filtering moves junk mail out of the main inbox and into a junk mail folder • S/MIME allows OWA users to send encrypted e-mail 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  28. Kerberos Authentication • The standard authentication protocol for all versions of Windows starting with Windows 2000 Server and Professional • Provides enhanced security over the older NTLM authentication 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  29. RPC over HTTP • Remote procedure call (RPC) over Hypertext Transfer Protocol (HTTP) • Allows mobile users to use the full Outlook client • Connecting to Outlook client remotely required the use of a virtual private network (VPN) connection 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  30. Mobile Services for Exchange • Allows mobile users to access their information stored on Exchange Server 2003 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  31. Query-based Distribution Groups • Dynamically defines membership of a group based on a Lightweight Directory Access Protocol (LDAP) query • Reduces time spent maintaining the memberships and makes lists more accurate 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  32. Recovery Storage Group • Used to recover individual messages • Previous versions required use of a spare server to recover individual mail messages 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  33. Enhanced Clustering • Exchange Server 2003 supports using up to eight servers in a cluster • Clustering support in Exchange 2000 Server only allowed for two servers in a cluster 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  34. Internet Mail Wizard • Easier for administrators to configure their Exchange servers to connect with the Internet • Functions controlled through the Internet Mail Wizard: • E-mail domains • Relaying • Rules for outbound messages 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  35. Connection Filtering • Restricts which servers are allowed to send e-mail messages to an Exchange server • Block lists provide data about IP addresses based on rules • Lists configured to block incoming mail from the IP addresses • Maintained by third parties and are accessible over the Internet 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  36. Features Removed in Exchange Server 2003 • Connectors for Lotus ccMail and Microsoft Mail • Real-time collaboration features • M: drive • Key Management Service 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  37. Connectors for Lotus ccMail and Microsoft Mail • Lotus ccMail and Microsoft Mail have not been commonly used since the late 1990s • If you require ongoing connectivity to either Lotus ccMail or Microsoft Mail, you should ensure that there is at least one Exchange 2000 server in your organization 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  38. Real-time Collaboration Features • Provided real-time collaboration for instant messaging • Supported multi-user conferences with text chat, sound, white boards, and video • These features are now found in a separate product called Live Communications Server 2003 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  39. M: Drive • In previous versions of Exchange Server, the drive letter M was created on the server to provide access to the information store • Some applications require the M: drive • The M: drive is disabled by default in Exchange Server 2003 • Enabled if required for a software application 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  40. Key Management Service • Both Windows 2000 Server and Windows Server 2003 include Certificate Services, which replaces the functionality of the Key Management Service 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  41. Summary • There are two generic types of messaging systems: • Shared file messaging systems • Database messaging systems • Exchange Server is a database messaging system 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  42. Summary (continued) • Features of Exchange Server 2003 include: • Active Directory integration • Cluster capable • Policy-based management • Recipient management flexibility • Excellent client software • Address book manageability • Public folders • Scalability • Security • Disaster recovery • Flexible upgrade options 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  43. Query-based distribution groups Recovery storage group Enhanced clustering Internet Mail Wizard Connection filtering Summary (continued) • New features of Exchange Server 2003 • Improved OWA • Kerberos authentication • RPC over HTTP • Mobile Services for Exchange 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

  44. Summary (continued) • Features removed from Exchange Server 2003 include: • Connectors for Lotus ccMail and Microsoft Mail • Real-time collaboration features • M: drive • Key Management Service 70-284 MCSE Guide to Microsoft Exchange Server 2003 Administration

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