The Migration of Exchange 5.5 to 2003 Server

OBJECTIVE:mapped between the endpoints.o Final Checks: To
Electronic messaging services within a companycheck the Active Directory users to make sure the
remains a mission critical application and itsExchange attributes appear in their properties using
implementation is a vital part to the conduct ofthe Active Directory Users and Computers.
everyday business strategies, needs and goals. WithinOBJECT DELETION WITH THE ADC:
the organization the business requirements now1) If you delete a mailbox-enabled user in Active
include the safeguard of electronic content retentionDirectory, the ADC deletes the corresponding mailbox
best practices. Therefore, it is important to see to itin legacy Exchange.
that a migration project is undertaken with a lot of2) If you delete a mail-enabled group or contact in
care. Read this document carefully to gain a goodActive Directory, the ADC deletes the corresponding
understanding of not only the pre-requisites but alsodistribution list or custom recipient in legacy Exchange.
the migration path from mixed to native mode.3) If you remove the e-mail attributes from users,
The delivery of mail is a challenging task whichgroups, or contacts in Active Directory, the ADC
includes the support of thousand of users within thedeletes the corresponding mailbox, distribution list, or
corporation environment. The new infrastructurecustom recipient in legacy Exchange.
must set up procedures to respect compliance,4) If you delete a mailbox in legacy Exchange, the
corporate governance and internal regulatory policyADC strips the email attributes from the
enforcement. Affirmatively, business guidelines andcorresponding user object in Active Directory.
principles for the preservation of electronic mail within5) If you delete a distribution list or custom recipient
the corporate body must now be taken intoin legacy Exchange, the ADC strips the e-mail
consideration. This requires that companies learn howattributes from the corresponding group or contact in
to standardize their projects to meet not onlyActive Directory.
corporate needs but also judicial demands.§ Active Directory Connector Object Replication
The granularity of server management depends uponCheck
a business model that will sustain the rationalization of§ Active Directory Object Replication Scan
all of the mechanics of the migration project from§ Active Directory Unmarked Resource Mailbox
Exchange 5.5 to Exchange 2003. It is understood thatScan
the migration will introduce many changes upon theSCHEDULING REPLICATION WITH THE ADC:o
business model. It is to be undertaken by keeping theEnsure that the 5.5 replication connector is set
infrastructure model and design flexible without thedirectly between the remote site and the central
impairment of performance.site.o The replication connector is using the same
SETUP PROCEDURES FOR THE MIGRATION:server in the central site as the replication bridgehead
MANAGING THE MIGRATION:o Domain controllerthat the ADC is configured to replicate changes from
location. You'll need at least one Domain Controller inthe Active Directory.o The 5.5 replication schedule set
each office that has an Exchange 2003 serveroto Always or short intervalso Configuration
Global Catalog server location. Need at least oneConnection Agreements: Exchange 5.5 stores server
Global Catalog server in each office that has aninformation in a configuration container in the legacy
Exchange 2003 server. This can also act as the localExchange directory service. Each Exchange server in
Domain Controller. The simplest way to accomplisha site knows about the other servers in the site by
this is to make all branch office DCs into GCs.looking in this Configuration container. The legacy
Microsoft recommends a minimum of one GC serverservers in a site will not know that you installed an
for every four Exchange processors, not servers.oExchange 2003 server until they see the server's
DNS configuration. Make certain that DNSLint showsinformation in the legacy Configuration container.
no errors, other recommended tool KILLADCGN.EXEThat's the job of the Configuration Connection
to verify chkds Checkdisk and chkdsroAgreement, (CA) which is created automatically by
(CheckReplicationOrphan objects in AD);o Activedefault when you install the first Exchange 2003
Directory Native Mode. Important Notice: The Activeserver in the site.o Configuration CA Function: When
Directory domain containing the Exchange serversyou install an Exchange 2003 server, Setup creates
must be in Native Mode so that you can useobjects under the Exchange organization container in
Universal Security Groups for e-mail distribution.oActive Directory that represent the following
Replication or authentication problems. Verify Eventfunctions:
Viewer to have no errors from directory serviceü Site addressing and routing capabilities
replication, KCC topology calculations, orü Site Connectors
authentication errors originating from domainü MTA (Message Transfer Agent) and other
controller accounts. You can use the EventCombMTtransport protocols
utility (download from Microsoft). EventCombMT isü Private and public mailbox storage parameters
part of the Account Lockout and Management andü Recipient Policies
Lockouto Domain Prerequisites Considerations : Nameü Site (Administrative Group) configuration
Resolution, ADC Staging OU, ADC Staging, Verifyparameters
trusts issues, Replication topologyü Encryption and secure messaging parameter
Verify Current Exchange Organization Roles andINSTALLING AND CONFIGURING THE CONNECTION
Distributions:AGREEMENTS:
O Exchange server versionRecommendations: To be installed after the
O Site configurationForestPrep
O Site connectors and Directory ReplicationINSTALLING AND CONFIGURING THE CONNECTION
connectorsAGREEMENTS:
O Internet connectorsConnection Agreement Properties:o Recipient
O Unsupported connectorsConnection Agreements: The wizard creates
O Key Management Servicestwo-way connection agreements, meaning that
O Compatible backupchanges made to either of the directory service will
O Antivirus and Antispam softwarereplicate to the other service (within Active
O PatchesDirectory).o Check Connection Settings: This tab
O E-mail dependent applicationsallows you to select the endpoint server for each
O Exchange 2000 instant messagingside of the Connection Agreement and the
Pre-Requisites and Precautions before thecredentials used to access the directory service on
installation:o Security patches (ISDS for Exchange)othat server. Exchange 2003 has a service called the
In order to preserve Exchange 5.5 Public FolderSite Replication Service. But, SRS listens at TCP port
Access Control Lists (ACLs) after mailboxes or379 rather than TCP port 389, the standard LDAP
distribution lists are moved between sites theport.o If you delete a resource mailbox, the ADC
Administrator will need to install an Exchange 5.5 DSdeletes the corresponding disabled user object in
IS hotfix ( on every Exchange 5.5 Public Folder serverActive Directory.o If you delete a standard mailbox,
prior to moving mailboxes or DLs between sites.othe ADC strips the e-mail attributes from the
The Consistency Adjuster must be run for eachcorresponding Active Directory object and sets the
server in each site.o Windows service packs (SP4.0LegacyExchangeDN attribute to
for Exchange 5.5 while Exchange 2003 is on SP2.0 thisADCDisabledMailByADC.
information must be revised on the website ofRESOURCE MAILBOX WIZARD MANAGEMENT:
Microsoft for the latest updates)o Considerations -It is best practice to allow the ADC Tools to create
Mobile Information Server (MIS) --To preservethe necessary Connection Agreements (CA) for the
functionality for existing mobile users during themigration process.
Exchange 2003 deployment, keep at least one MISThe wizard helps in the creation of the Connection
5.5 servers running as you migrate to ExchangeAgreements required to migrate from Exchange 5.5
2003.o Instant Messaging (IM) and Chat --Thisproperly.
functionality has been replaced by LiveIt will automatically create a recipient (CA)
Communication Server (LCS) in Exchange 2003.oConnection Agreement and a public folder (CA)
CcMail connector -- If you are running ccMail (mainlyConnection Agreement.
for Lotus Mail Agents) in the organization along withThis Wizard will identify users with multiple mailboxes
Exchange, it's time for a final transition upon theand fix them in advance for the migration.
migration path to Exchange 2003.o Backup, Antivirus,This step will determine if the same user owns
and Antispam software compatibility issues and thirdmultiple mailboxes. It gives you the possibility to
party software issueso ADC upgrades considerationsidentify the user's primary mailbox so that other
- You must upgrade the ADC servers to Exchangemailboxes can be designated as resource mailboxes.
2003 ADC prior to introducing any Exchange 2003Click Run to query the Exchange 5.5 server and
servers into the organization. The ADC upgradecollect information about the Exchange organization.
modifies the schema, so make sure that the SchemaADC Tools performs a series of four tests that will
Master is available.o Front-end/back-end upgrades. - Ifcheck for objects and attributes in legacy Exchange
you have an existing deployment such as forand Active Directory. This will help build XML database
example, Exchange 2000 that uses a distributedfiles to use later for resource mailbox marking. It
architecture, upgrade the front-end servers first andlooks for mailboxes that have a similar owner. After,
then upgrade the backend servers.the ADC Tool identifies and marks resource
PRE-MIGRATION NORMALIZATION ISSUES:mailboxes using the Resource Mailbox Wizard. You
O Install service packs (verify Microsoft website forcan use the bulk edit capabilities to create .csv files
the latest versions)for doing the mailbox marking.
O Normalize mailboxes (size sum check)HOW CONNECTION AGREEMENTS ARE
O Verify public folders permissions (permissions willCONFIGURED:
affect the RUS)Connection agreements are configured by an
OMigration Account Rights Ensure the account(s)Administrator who controls the type of objects that
used for the migration process are given 'Serviceare replicated between Active Directory and
Account Admin' rights at the Organization, Site andExchange 5.5. It contains information on how to
Server level.handle the deletion and what to do when there is no
OSimple-Synchronization Ensure the Simple-Syncmatching account for the mailbox in the destination
replication schedule is set to every twelve hours (12directory. Notice: To ensure that objects are created,
hours) - Exdeploy.hta. (Deployment tools)the ADC marks all connection agreements as primary
Considering ultimate performance:o Domain Upgradeoby default.a) A primary connection agreement has
Upgrade the current PDC to Windows Server 2003.othe capability to create objects in the directory.b) A
Install additional Windows Server 2003 domainsecondary connection agreement can only update
controllerso Shift the domain and forest to Windowsthe attributes of existing objects.
Server 2003 functional levelCan configure: o One way from Windows or from
Network Infrastructure Considerations:o TrafficExchange
patternso Outageso Remote userso Routing groupsCan configure: o Two ways replication of the
Costs Topology:o Server softwareo Client Accessinformation this is synchronized in both directions.
Licenses (CALs)o Additional personnelo TrainingoThis is generally the preferred method for it keeps
Client softwarethe configuration simple
Additional Networking Considerations:o DirectoryTypes of Connection Agreements to be found during
service connection failureso Inability to access publicthe Migration:
folderso Inability to replicate public folders with legacyExchange System Manager Program: Default
Exchangeo Incompatible historical backupso HardwareIt will be created by default by the system when the
failureso Software compatibility failuresfirst Exchange Server 2003 system has been
Considering Final Networking Objectives:o No serviceinstalled. After the replication of the configuration
interruptionso Single mailbox-enabled account for eachinformation, Exchange 5.5 sites will be visible in the
usero Retain existing mailbox and public folderExchange System Manager program and they are
permissions.o Fastest possible introduction of newrepresented as Administrative Groups. Exchange
featureso Maximize existing hardwareServer 2003 systems are also visible in the Exchange
Domain Prerequisites Considerations: Name Resolution,5.5 Administrator program.
ADC Staging OU, ADC Staging, Verify trusts issues,Configuration Connection Agreements :( cannot be
Replication topology. ADC, DcDiag, NetDiag, ADcreated manually)
Snapshot, Log Files, Event Viewer Security,This CA maps some of the objects in the legacy
Application and System Logsconfiguration container with objects in the Exchange
NB*: Remove Internet Explorer Enhanced Security.2003 Organization container in Active Directory. This
ADC Setup will make extensive use of Internet filesCA cannot be created manually. Exchange Setup
(.html, .hta, etc.). Windows Server 2003 has a featureconfigures the CA as part of installation of the very
called Internet Explorer Enhanced Security thatfirst server in each legacy site. It is used for
forces a security launched wizard. Remove thiscoexistence between the Exchange 5.5 and
feature from the server for the duration of the ADCExchange 2003 servers environments. To transfer
and Exchange setup.information such as site addressing and routing
1. Launch Control Panel.information between the various Exchange platforms.
2. Open the Add/Remove Programs applet.Recipient Connection Agreements:
3. Click Add/Remove Windows ComponentsIt is responsible for replicating mailbox, distribution list,
4. Uncheck the Internet Explorer Enhanced Securityand custom recipient information from the Exchange
Configuration option5.5 directory to the Active Directory. This CA maps
5. Click Next to accept the change.the attributes of Users, Groups, and Contact objects
Primary Reports and Log Files verifications:oin Active Directory with Recipient, Distribution Lists,
DSConfigSum. This test reports the total number ofand Custom Recipient objects in the legacy Exchange
sites and the number of servers in each site.odirectory service environment.
DSObjectSum. This utility reports the total number ofIt is also used to send users, groups, and contacts
public folders, distribution lists, distribution lists withfrom Active Directory to Exchange 5.5. Recipient
hidden membership, and custom recipients.oConnection Agreements it maybe configured as
UserCount. This test reports the total number ofone-way or two-way connection agreements. It is
recipients (users) in the organization, broken down byimportant to remember that each connection
site.o VerCheck. This test verifies that you have theagreement has its own schedule
right Exchange version and service pack level on yourPublic Folder Connection Agreements:
Exchange servers.o NB*: The main log file for theThis CA maps legacy public folders with Public Folder
deployment is Exdeploy.log. It shows the result ofobjects in Active Directory to allow Exchange 2003
each test performed by DSScopeScan.to accept e-mail on behalf of the public folders. It is
INSTALLATION CONTROLS:responsible for replicating mail-enabled public folder
The Extending of the Active Directory Schema:information from and to Exchange 5.5 and the Active
/Forestprep switch is used to extend the ActiveDirectory. This connection agreement can only be
Directory schema.configured as a two-way connection agreement. It is
§ Will modify the Active Directory Schema tobest to create the connection agreement for each
include new attributes and classes used by ExchangeExchange 5.5 site in regards to this connection
2003 and also installs the top-level objects for aagreement. Pfmigrate utility automates replication to
placeholder organization tree in the Configurationallow Exchange mailboxes on the new Exchange
Naming Context in the Active Directory forest.Server 2003 systems to be able to access system
Preparing the Windows Server 2003 Domains toand public folders.
Support Exchange Server 2003:PFMigrate /S: (Source Server) /T: (Target Server) /A
/Domainprep It will prepare the domains that will host/N: (Number) /SC
Exchange servers or mailbox-enabled usersHow to Manually Configure Additional Connection
§ This creates objects in the Active DirectoryAgreements?
domain that represent Exchange service accounts,To configure a Manual Configuration Agreement:
public folders, and groups that represent ExchangeOpen the ADC MMC snap-in on the domain controller
servers in the domain and the enterprise.running the ADC.
It will configure the Recipient Update ServiceThe following tabs must be populated:o Generalo
parameters responsible for keeping Exchange addressConnectionso Scheduleo From Exchangeo From
lists up-to-date and for creating proxy addresses forWindowso Deletiono Advanced
users based on recipient policy addressingTo configure manually a public folder connection
configuration.agreement:
NB*: Recipients are Active Directory objects thatIt is best practise to right-click the Active Directory
have messaging capabilities. The object itself doesConnector service icon for the server and select
not receive messages. The messages are not storedNew, Public Folder Connection Agreement.
in Active Directory. Instead, they can reside in aThe following tabs must be populated:o Generalo
mailbox on an Exchange server, in a public folder, orConnectionso Scheduleo From Exchangeo From
in another messaging system.Windows
How these objects work:After its creation, the Administrator must force
When the proper credentials are sent to the domainreplication immediately; right-click the connection
controller for the user object, the contents of theagreement and select Replicate Now. Verify the
mailbox become available to the e-mail client likeApplication Event Log in Event Viewer for errors
Outlook (in the inbox of the user).during the replication process.
It will also create the Exchange Server 2003 specificRehoming and Distribution List Replication:
groups (permissions) that allow Exchange services toAll Contacts, Distribution Lists (DLs) and Mail-enabled
run without a service account.Public Folder Objects are represented in the
Domainprep will create two new groups:a) ExchangeExchange 5.5 Directory and are associated with a
Domain Serversb) Exchange Enterprise Serversspecific site. When consolidating a 5.5 site, these
Utilities to Run to verify the settings of theobjects must be moved (re-homed) to a new site
Organization:prior to removing the old site or they will be lost.
1) OrgPrepCheckRe-homing these objects will ensure that they are
2) OrgChecknot lost when an old site is removed and that mail
3) PolCheckflow to them can continue.
OrgPrepCheck: Verifying the Organization SettingsINSTALLING AND CONFIGURING THE FIRST
with OrgPrepCheck. To validate the Forestprep andEXCHANGE 2003 SERVER:
Domainprep utilities were functionally successful. TheRun the program: Run SetupPrep it will be use to
OrgPrepCheck utility is found via the Exchangevalidate that all prerequisites are now in place for the
Deployment Tools and is a recommended way ofinstallation of the first Exchange Server 2003 in the
determining whether it is safe to proceed with thesite.
migration process.Routing table issues: This Exchange server will hold
OrgCheck: This test is made to verify that the Setupmany critical Exchange organizational management
created the proper Exchange objects in theand routing master tables.
Configuration naming context and Domain namingInstallation path: Choose the installation path and
context. By making sure that the Exchange Domainensure that Typical Installation is chosen.
Servers group, Exchange Enterprise Servers group,The new Exchange site: Enter the name of an
and Exchange Services group exist. It also will verifyExchange 5.5 Server of the site the Exchange Server
that the schema changes are propagated and that it2003 system will be joining.
can find a Global Catalog server in the same site asPermissions: During Exchange setup, the Exchange
the ADC server.server's machine account is added to a Global
PolCheck: This test queries each domain controller inSecurity group called Exchange Domain Servers. This
the domain to determine if the Exchange Enterprisegroup is granted permissions on all Exchange objects
Servers group has been given the Manage Auditingto allow the Exchange Server 2003 services to
and Security Logs privileges. If the changes have notaccess and update the Active Directory.
been created it is possible to make use of ActiveTwo Global Security Groups:a) Exchange Domain
Directory Sites and Services to force replication toServersb) Exchange Enterprise Servers group
the affected problematic Domains to runThe Exchange Enterprise Servers group contains the
OrgPrepCheck again.Exchange Domain Servers groups from all domains in
Manage the (ADC) Active Directory Controller:the forest and provides cross-domain access
Do not make use of the ADC that comes on thebetween all Exchange Server 2003 systems.
Win 2000 or Win 2003 Setup CD. These specificWhat has been installed during the setup of the
versions of ADC do not map special attributesExchange 2003server?
required by Exchange recipients and public folders. If1) Exchange Server 2003 binaries and services
you have already installed the operating systeminstalled
version of the ADC, remove it before installing the2) Changes to Active Directory Configuration
Exchange version. Also, unlike the Exchange filescontainer
themselves, you can do the initial installation of the3) Exchange Server added to Exchange Domain
ADC using the Exchange service pack files. The ADCServers security group
uses LDAP to query and update servers. The ADC4) Configuration connection agreement created (for
stores configuration parameters in Active Directoryrouting)
objects called Connection Agreements (CAs). A CA5) Recipient Update Service (RUS) created
defines object types for the ADC to copy, the6) Site Replication Service (SRS) installed
source and target containers for the objects, aConfiguration connection agreements (ConfigCA) and
replication schedule, and credentials to use for makingsite replication service (SRS):
inter-server replication connections between sites.ConfigCA:
Failed Over Principle: The (ADC) Active DirectoryThe ConfigCA will be responsible for replicating the
Connector has the capacity to delete objects in bothconfiguration information between the Exchange
directories, as a pre-migration rule and precaution theplatforms. The ConfigCA replicates items such as the
data should be stored. This failed over principle isSite Addressing Policies and the routing information in
important for if things go wrong during the migrationthe Gateway Address Routing Table (GWART). Also
an authoritative restore must be performed with thea new (ADC) connection agreement is added to the
NTDSUTIL utility of the Active Directory Database.Active Directory Connector.
Fail Over practices for recovery purposes during theSITE REPLICATION SERVICES (SRS)
migration:Interoperability: It will provide provides directory
This particular tool is going to provide a fail overinteroperability between the Exchange 5.5 and the
practice which is the standard approach to performExchange 2003 servers.
database maintenance of Active DirectoryLDAP: SRS service runs using LDAP and is needed
- managing of single master operationsonly during the migration period.
- managing of the metadata in regards to the DomainSynchronization: SRS service runs in conjunction with
Controllersthe Active Directory Connector for directory
Found in systemrootSystem32synchronization.
May also perform the restore from BackupsSRS services: One SRS is allowed per Exchange
CONFIGURING THE ACTIVE DIRECTORYServer 2003 system.
CONNECTOR (ADC):Replication Connectors: The SRS are created on all
Step 1: Before installing the ADC the Administratorservers that house Exchange 5.5 Directory Replication
must create or choose a user account that will beConnectors. The Directory Replication Connector is
used to run the ADC service and manage the (CA)replaced by the SRS to perform Inter-site replication
connection agreements.with the remote Exchange 5.5 sites.
Step 2: Permissions rights for the (DC) DomainSRS Default: SRS is automatically installed and
Controller: This account needs to be added to theconfigured at the time of the installation of the
Administrators group in the domain if the ADC isExchange Server 2003 installation.
installed on a domain controller.Recipient Update Service: It is responsible for
Step 3: Permissions rights for a Member Server: Thisupdating address lists and email addresses in Active
account needs to be added to the localDirectory. The Recipient Update Service is responsible
Administrators group. Must standardize the rights onfor updating the Enterprise configuration information
both sides 5.5 Admin and 2003 server by adding thein Active Directory (administrative and routing
service accounts from both administrative accountsinformation).
to gain the proper credentials (service account AdminRecipient Policies: The address list and email
group)addresses are configured under this policy.
Step 4: To install the ADC there are two (2) optionsNB*: Recipients are Active Directory objects that
ADC Setup from the Auto Run menu, or simplyhave messaging capabilities. The object itself does
invoke the setup from the Exchange Deploymentnot receive messages. The messages are not stored
Tools.in Active Directory. Instead, they can reside in a
Step 5: Before building the installation of the (CA)mailbox on an Exchange server, in a public folder, or
connection agreements the Administrator mustin another messaging system.
configure the Attribute replication, account-matchingWhen the proper credentials are sent to the domain
rules, diagnostic logging properties and replicatingcontroller for the user object, the contents of the
directory entries. (Very important)mailbox become available to the e-mail client like
Step 6: Once the ADC is installed with its accountOutlook (in the inbox of the user).
credentials and services it will be time to configureEXAMPLES OF TWO METHODS TO MIGRATE THE
the connection agreement (CA) and to beginMAILBOXES:
synchronizing the Active Directory and Exchange 5.5The Move Mailbox Tool:
directories.The Move Mailbox tool allows the organization to
VERIFY THE CONNECTIVITY WITH ACTIVEmigrate users in sizable numbers. The Outlook profiles
DIRECTORY:automatically are updated on the Desktop. Upon log
Run the Exchange 2003 SP1 version of exdeploy.exeon the users are redirected to the new Exchange
with the following switches to test the ADCServer 2003 systems within the same administrative
configuration.group. During the installation process the
%pathname%exdeploy.exe /t:ADCCheckAdministrator can choose to either create a failure
p:%logpath% /s:o Initial ADC Attribute Copy ,report if corruption is detected or to skip corrupted
ADC-Global-Names Attribute Creationo NT Accountitems and continue the mailbox move.a) Swing
Migrations -Invalid User Accounts , Do not Enable theMailbox Server Migrationb) Cross-site Mailbox
Disabled User Objectso Multiple Mailbox OwnersMigrations
(NTDSNoMatch) set an exclusion standard on theNB* If the move is unsuccessful, the user's mailbox
accounto Active Directory Account Cleanup Wizardowill still be available on the source Exchange 5.5
ADC and Distribution Lists - Automatic Security Groupserver. It is important to have a failed over design
Upgradeso Distribution List Membershipo ADC Setupplan at this point to avoid errors.
Permissions - ADC Server Selection - ADC ServiceIn moving selected mailboxes to a different server,
Account Selectionthe duration of the task will depend upon the size of
Synchronization: The connection agreements (CA) ineach of the selected mailbox. Specify the current
the ADC are necessary to synchronize directorymailbox store, the server, and the destination mailbox
entries between the Exchange 5.5 and Exchangestore. Decide on the action that you want the utility
Server 2003 systems.to take if corrupted messages are found.
Dispositions: Can be installed on a Member Server orMoveMailbox Features:
on the 1st Exchange 2003 Server installed.The Mailbox Wizard lets you decide, how it should
Implementation of CA: At this point you can choosereact if one or more corrupted messages are
to implement one or more (CA) connectiondetected. If you select Create a failure report, the
agreements within the organization. It must be donemailbox containing corrupted messages will be left
because of the migration process for it will notuntouched, which basically means it won't be moved.
sustain issues of fault tolerance or load balancing. ForBut if you select Skip corrupted items and create a
managerial purposes of the migration installationfailure report the mailbox will be moved, but any
procedures the best practice is to install a single ADCcorrupted items detected will be deleted from the
with one connection agreement for each Exchangemailbox, not only on the destination server, but on
5.5 site.the source server as well. It is very important to
Site Replication: The 5.5 Exchange Server and thethink about failover methods always backup your
installed ADC must be on the same physical networkstores to media previous to the moves.
segment.Option 1:
Permissions: The rights must be Schema Admin andThe utility can create a failure report (the report can
Enterprise Administrator both are required to installbe found in systemdriveDocuments and
the ADC.Settingsprofile nameMy DocumentsExchange Task
Installation Process: Allocate at least two hours forWizard Logs). This first option will not allow the move
the replication of about 5,000 objects within a singleof the mailbox.
direction. But, the length of time for replication reallyOption 2:
varies on the number ofThe second option is to skip corrupted items and
Connection Agreements that is present and on thecreate a failure report. With this option corrupted
recipient containers on the populated attributes anditems will be permanently deleted from the mailbox.
on the actual directory objects.These items maybe recuperated from backup
SYNCHRONIZATION BY USING THE ADC TOOL:ostorage media.
ADC Tools: Simplify the process of testingThis option gives Advanced Properties such as the
prerequisites and installing Connection Agreements. Itpossibility to specify the maximum number of
will synchronize the active directory forest with thecorrupted items to skip; when the maximum number
Exchange 5.5 directory during the migration process.of corrupted items is exceeded the mailbox will not
Schema changes will now be fully replicated so thatbe move. It is possible to set a Task Schedule period
every domain is properly updated to include thewithin which to streamline the move.
necessary Exchange objects for the migration.o ToolIt is possible to make use of the bulk mailbox move
Settings: This step is to specify the name of thetool in addition to the Active Directory Users and
Exchange 5.5 server to use for data collection andComputers MMC snap-in to move Mailboxes. If the
the location for the ADC logs.o Data Collection: Thisuser has a corrupted item the option Skip Corrupted
step ultimately will run a suite of utilities that scansItems can be use. The mailbox can later be move
both Active Directory and the legacy Exchangemanually even if it contains corrupted items with
directory service to find parameters that will beExmerge. It is possible to plan and schedule to move
synchronized by the ADC.o Connection Agreement100 to 200 mailboxes per day.
Wizard: This step is used to create ConnectionThe Move Mailbox process can be scheduled to
Agreements that define the replication endpoints ofexecute right away, 4 mailboxes are processed at
the ADC and determine how attributes will bethe same time, and this is the Multithreading feature.