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Contents
Overview 1
Message Routing and Routing Groups 2
Connecting Routing Groups 7
Determining Link Status 14
Routing Messages 21
Multimedia: MessageRoutingin
Exchange 2000 28
Lab A: Creating Routing Groups and
Routing Group Connectors 29
Review 35
Module 8:Message
Routing inMicrosoft
Exchange 2000
BETA MATERIALS FOR MICROSOFT CERTIFIED TRAINER PREPARATION PURPOSES ONLY
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Microsoft, Active Directory, BackOffice, Jscript, NetMeeting, Outlook, Windows, and Windows
NT are either registered trademarks or trademarks of Microsoft Corporation in the U.S.A. and/or
other countries.
Other product and company names mentioned herein may be the trademarks of their respective
owners.
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Module8:MessageRoutinginMicrosoftExchange2000 iii
BETA MATERIALS FOR MICROSOFT CERTIFIED TRAINER PREPARATION PURPOSES ONLY
Instructor Notes
This module provides students with the information and experience needed to
create routing groups, connect routing groups, and determine how Microsoft
®
Exchange 2000 will route messages within and between routing groups.
After completing this module, students will be able to:
!
Define messagerouting and routing groups, create routing groups, explain
how message transfer works between servers running Exchange2000
installed in the same routing group and installed in different routing groups,
and compare how routing groups work in mixed and native mode.
!
Describe each of the connectors you can use to connect routing groups,
including the Routing Group connector, the Simple Mail Transfer Protocol
(SMTP) connector, and the X.400 connector.
!
Describe how Exchange uses the link state table and the link state algorithm
to determine link status.
!
Outline how Exchange2000 selects a message route, how Exchange routes
messages between multiple routing groups, and how Exchange routes
messages outside of an Exchange organization.
Materials and Preparation
This section provides the materials and preparation tasks that you need to teach
this module.
Required Materials
To teach this module, you need the following:
!
Microsoft PowerPoint
®
file 1572B1572B_8.ppt
Preparation Tasks
To prepare for this module, you should:
!
Read all of the materials for this module.
!
Complete the lab.
!
Review the multimedia.
Presentation:
60 Minutes
Lab:
45 Minutes
iv Module8:MessageRoutinginMicrosoftExchange2000
BETA MATERIALS FOR MICROSOFT CERTIFIED TRAINER PREPARATION PURPOSES ONLY
Module Strategy
Use the following strategy to present this module:
!
Message Routing and Routing Groups
This topic describes the role of routing groups inmessage routing. Explain
how Exchange2000 routes messages between servers in the same routing
group and between servers in different routing groups. Discuss the
differences between installing routing groups in mixed mode and in native
mode.
This topic also discusses how to create a routing group and install servers
running Exchange2000in it. Explain how creating an additional routing
group in mixed mode affects the Exchange Server 5.5 site topology.
!
Connecting Routing Groups
This topic provides information on the different types of connectors. Make
sure students understand the similarities and the differences between the
Routing Group connector, the SMTP connector, and the X.400 connector.
!
Determining Link Status
This topic outlines how Exchange2000 uses the link state table and the link
state algorithm to determine link status and propagate information to other
servers running Exchange2000. Discuss the link state table and explain its
role in calculating the cost of a specific route and influencing the decision
on the selection of message routes.
!
Routing Messages
This topic explains how Exchange2000 selects a message route, including
the criteria it uses to make its decision. This topic also covers how
Exchange 2000 determines the best route to take through multiple routing
groups and the best route to take when routing a message outside of an
Exchange organization. Discuss the process that is involved in selecting
routes, what impacts route selection, and how Exchange2000 selects routes
through multiple routing groups, as well as outside the Exchange
organization.
Module8:MessageRoutinginMicrosoftExchange2000 v
BETA MATERIALS FOR MICROSOFT CERTIFIED TRAINER PREPARATION PURPOSES ONLY
Customization Information
This section identifies the lab setup requirements for a module and the
configuration changes that occur on student computers during the labs. This
information is provided to assist you in replicating or customizing Microsoft
Official Curriculum (MOC) courseware.
The lab in this module is also dependent on the classroom
configuration that is specified in the Customization Information section at the
end of the Classroom Setup Guide for course 1572A, Implementing and
Managing MicrosoftExchange2000.
Lab Setup
The following list describes the setup requirements for the lab in this module.
Setup Requirement 1
The lab in this module requires Exchange2000 and a custom MMC. To prepare
student computers to meet this requirement, perform one of the following
actions on each server in the organization:
!
Complete the labs for Module 2, “Installing MicrosoftExchange 2000,” in
course 1572A, Implementing and Managing MicrosoftExchange2000.
!
Install Exchange2000 at D:\Program Files\Exchsrvr on each server into an
organization named Northwind Traders. Components installed are Microsoft
Exchange Messaging and Collaboration Services, MicrosoftExchange
System Management Tools, and MicrosoftExchange Instant Messaging
Service. Have the students create a custom MMC in the C:\Documents and
Settings\All Users\Desktop that is saved as your_firstname Console. The
MMC contains the Active Directory Users and Computers snap-in and the
Exchange System snap-in.
Setup Requirement 2
The lab in this module requires a custom OU, a user account for each student, a
mailbox for each student, an Outlook profile, and for the Domain Admins group
to be delegated full control of the organization. To prepare student computers to
meet this requirement, perform one of the following actions on each server in
the organization:
!
Complete the labs for Module 3, “Administering MicrosoftExchange
2000,” in course 1572A, Implementing and Managing MicrosoftExchange
2000.
!
Create an organizational unit in Active Directory that is named
your_servernameOU for each server in the classroom. Create a user account
in each server’s OU for each student. The account is a member of the
Domain Admins group and has a mailbox on the student’s Exchange server.
Create an Outlook profile for each student on their own server that opens
their mailbox. Delegate the full administrator role on the Northwind Traders
organization
Importan
t
vi Module8:MessageRoutinginMicrosoftExchange2000
BETA MATERIALS FOR MICROSOFT CERTIFIED TRAINER PREPARATION PURPOSES ONLY
Lab Results
Performing the lab in this module introduces the following configuration
change:
!
A new routing group named Second Routing Group is created in each
Exchange organization.
!
All member servers in each domain are moved to the Second Routing
Group.
!
A routing group connector is created in each organization that connects the
two routing groups together.
Module8:MessageRoutinginMicrosoftExchange2000 1
BETA MATERIALS FOR MICROSOFT CERTIFIED TRAINER PREPARATION PURPOSES ONLY
Overview
!
Message Routing and Routing Groups
!
Connecting Routing Groups
!
Determining Link Status
!
Routing Messages
Many organizations need multiple servers running Microsoft
®
Exchange2000.
When a user on one server wants to send a message to a user on another server,
Exchange 2000 must transfer the message between servers. You can group
servers running Exchange2000 into routing groups to more efficiently route
messages between servers.
Before you enable Exchange to route messages through routing groups, you
should understand how routing groups function in mixed and native mode, how
to create and connect routing groups, how Exchange determines the route a
message takes, as well as how Exchange routes messages within, between, and
outside of routing groups.
After completing this module, you will be able to:
!
Describe how you can use routing groups to route messages, including how
routing groups function in mixed mode versus how they function in native
mode.
!
Create a routing group in native mode and mixed mode.
!
List and describe each of the connectors that you can use to connect routing
groups.
!
Describe how Exchange2000 uses the link state table and the link state
algorithm to determine the route that a message takes.
!
Outline how Exchange2000 routes messages through multiple routing
groups, as well as how Exchange2000 routes messages outside of an
Exchange organization.
Topic Objective
To provide an overview of
the module topics and
objectives.
Lead-in
In this module, you will learn
how routing groups work,
how to create routing groups
and connect them, how
Exchange determines link
status, and how Exchange
determines a message
route.
2 Module8:MessageRoutinginMicrosoftExchange2000
BETA MATERIALS FOR MICROSOFT CERTIFIED TRAINER PREPARATION PURPOSES ONLY
#
##
#
Message Routing and Routing Groups
USA
Routing
Group
London
Routing Group
Rome
Routing Group
Seoul
Routing Group
!
Creating Routing Groups
!
Comparing Mixed Mode and Native Mode
!
Routing Messages Within a Routing Group
!
Routing Messages Between Routing Groups
Moving messages between servers is called message routing. Microsoft
Exchange Server 2000 routes messages by using routing groups and routing
group connectors. Routing groups are groups of servers running Exchange2000
that are connected over permanent network links. Messages flow through an
Exchange organization by traveling through routing groups and across
connectors.
Creating routing groups enables administrators to control message traffic and
enables Exchange2000 to route messages in a cost-effective and efficient
manner.
Topic Objective
To define messagerouting
and routing groups.
Lead-in
You can group servers
running Exchange2000 into
routing groups to transfer
messages between servers
more efficiently and reliably.
Module8:MessageRoutinginMicrosoftExchange2000 3
BETA MATERIALS FOR MICROSOFT CERTIFIED TRAINER PREPARATION PURPOSES ONLY
Creating Routing Groups
Connector
Routing Group C
Routing Group C
Routing Group A
Routing Group A
Routing Group B
Routing Group B
Exchange 2000
Setup
Exchange 2000
Setup
Exchange 2000
Setup
Exchange 2000
Setup
Move
Server
Move
Server
If you have not created a routing group, Exchange2000 automatically creates a
routing group called First Routing Group when you install the first server
running Exchange2000in an administrative group, and installs the server into
this routing group. Unless you create a new routing group, all subsequent
servers running Exchange2000 are also installed into this routing group.
If you have multiple administrative groups, Exchange2000 will create a
routing group called First Routing Group in each administrative group by
default.
After you install a server into an administrative group and create the default
routing group, you can create additional routing groups by using Exchange
System Manager. You can then install or move servers running Exchange2000
into their designated routing group.
Topic Objective
To explain how to create
routing groups and how to
install computers running
Exchange 2000 into them.
Lead-in
Exchange 2000 creates a
routing group by default for
each administrative group in
the organization.
Note
Delivery Tip
Demonstrate how to create
a new routing group.
4 Module8:MessageRoutinginMicrosoftExchange2000
BETA MATERIALS FOR MICROSOFT CERTIFIED TRAINER PREPARATION PURPOSES ONLY
Comparing Mixed Mode and Native Mode
Mixed Mode
Native Mode
Routing Group 3
Routing Group 3
Routing Group 4
Routing Group 4
Routing Group 1
Routing Group 1
Routing Group 2
Routing Group 2
Administrative Group 1 Administrative Group 2
Routing Group 5
Routing Group 5
Administrative Group/Exchange Server 5.5 Site
Exchange 5.5
Exchange 2000Exchange 2000
Exchange 2000
Exchange 2000Exchange 2000
Exchange 2000 Server supports both mixed and native modes. An Exchange
organization running in mixed mode associates administrative groups with
routing groups to simulate an Exchange Server 5.5 site. An Exchange
organization running in native mode has no servers running Exchange Server
5.5.
An Exchange2000 organization runs in mixed mode by default. Because
running in mixed mode enables coexistence with Exchange Server 5.5, there are
fewer configuration options available for Exchange2000.Routing groups
cannot span administrative groups in mixed mode. If you create multiple
routing groups in an administrative group in mixed mode, the servers running
Exchange Server 5.5 in that site and/or administrative group will not recognize
the other routing groups in the administrative group. The servers running
Exchange Server 5.5 will communicate with all servers running Exchangein
the administrative group as if they were in a single Exchange Server 5.5 site.
Topic Objective
To identify the restrictions
on routing groups in mixed
mode and to explain which
routing groups that servers
running Exchange Server
5.5 in mixed mode
recognize.
Lead-in
The complete functionality
of routing groups is
available only in native
mode.
[...].. .Module 8:MessageRoutinginMicrosoftExchange2000 5 Routing Messages Within a Routing Group Topic Objective To describe message transfer between servers running Exchange2000 installed in the same routing group Network Connection SMTP Connection Lead -in Routing Group Servers running Exchange2000in the same routing group deliver messages in a single hop When transferring messages between... running Exchange2000 connect to the routing group master The routing group master maintains data about all servers running Exchange2000in the routing group BETA MATERIALS FOR MICROSOFT CERTIFIED TRAINER PREPARATION PURPOSES ONLY 6 Module8:MessageRoutinginMicrosoftExchange2000Routing Messages Between Routing Groups Topic Objective To describe message transfer between servers running Exchange. .. Exchange2000 installed in different routing groups Bridgehead Server Bridgehead Server Lead -in Connectors and bridgehead servers deliver messages to servers running Exchangein remote routing groups Routing Group A Routing Group A Connector Routing Group B Routing Group B Bridgehead Server Routing Group C Routing Group C When transferring messages between servers in different routing groups, Exchange2000. .. Internet To define how the routing and selections are made Lead -in When Exchange2000 receives a message destined for a user on a different server, the server running Exchange2000 must determine how the message will be delivered to the recipient Cost = 1 RoutingRouting Group A Group A RoutingRouting Group B Group B Cost = 1 Cost = 1 Cost = 1 RoutingRouting Group C Group C Cost = 1 Routing Routing... To describe how the link state table is maintained with up-to-date link status 691 Routing Group Master Routing Group Master Lead -in Knowing when a link is DOWN and addressing that status is critical to maintaining an effective routing system RoutingRouting Group A Group A 691 Routing Group Master 691 RoutingRouting Group B Group B Port 25 RoutingRouting Group C Group C Delivery Tip Be sure to review... RoutinginMicrosoftExchange2000Routing Group Master Failure If the routing group master fails, an administrator must designate a new routing group master Until the routing group master becomes available, or a new routing group master is designated, link state information within the routing group will only propagate when: ! Messages are transferred between servers running Exchange2000in the routing. .. Address Space = * * Cost = 1 RoutingRouting Group A Group A RoutingRouting Group B Group B Cost = 1 Cost = 1 Lead -in Exchange2000 uses several criteria to determine how to deliver messages Cost = 1 RoutingRouting Group C Group C Cost = 1 RoutingRouting Group D Group D Cost = 1 A message A message size limit = 1 MB size limit = 1 MB Cost = 3 RoutingRouting Group E Group E Internet Cost = 1 Address... link state changes on this server BETA MATERIALS FOR MICROSOFT CERTIFIED TRAINER PREPARATION PURPOSES ONLY Module8:MessageRoutinginMicrosoftExchange2000 21 # Routing Messages Topic Objective To outline the topics Lead -in Exchange2000 routes messages based on the location of the sender and the recipient ! Routing Criteria ! Selecting the Best Route ! Determining a Route Through Multiple Routing. .. server inRouting Group B sends the message to the remote X.400 bridgehead server inRouting Group C 3 The X.400 bridgehead server inRouting Group C sends the message to the local bridgehead server inRouting Group C for the routing group connector to Routing Group D 4 The bridgehead server inRouting Group C that connects to Routing Group D sends the message to the bridgehead server inRouting Group... The bridgehead server inRouting Group D that connects to Routing Group E sends the message to the bridgehead server inRouting Group E 6 The bridgehead server inRouting Group E sends the message to the recipient’s server BETA MATERIALS FOR MICROSOFT CERTIFIED TRAINER PREPARATION PURPOSES ONLY Module8:MessageRoutinginMicrosoftExchange2000 27 Determining a Route Outside the Exchange Organization .
Message Routing and Routing Groups 2
Connecting Routing Groups 7
Determining Link Status 14
Routing Messages 21
Multimedia: Message Routing in
Exchange. Mode
Native Mode
Routing Group 3
Routing Group 3
Routing Group 4
Routing Group 4
Routing Group 1
Routing Group 1
Routing Group 2
Routing Group 2
Administrative