8.8. Post-Migration Activities

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Post-Migration Activities

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Quest Migration Manager Version 8.8

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About This Guide ... 4

Overview ... 4

Conventions ... 4

Post-Migration Activities ... 5

Overview ... 5

Stop the Mailbox and Calendar Synchronization Jobs ... 5

Stop the Public Folder Synchronization Jobs for Migrated Folders ... 6

Stop the Free/Busy Synchronization Job ... 6

Stop Directory Synchronization ... 7

Disable Source Accounts ... 7

Clean Up the Service Attributes Used for Migration ... 7

Clean Up SIDHistory Attributes ... 7

Clean Up Legacy Account Permissions ... 8

Decommission Migrated Environments ... 9

About Quest Software, Inc. ... 10

Contacting Quest Software ... 10

Contacting Quest Support ... 10

Third Party Contributions ... 11

Boost 1.34.1: License Text ... 11

Boost 1.46.1: License Text ... 11

Loki 0.1.4: License Text ... 12

Loki 0.1.6: License Text ... 12

NABU-library 1.0: License Text ... 12

Newtonsoft.Json.dll 3.5.0.0: License Text ... 15

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Quest Migration Manager 8.8 - Post-Migration Activities

About This Guide

Overview

This document has been prepared to assist you in becoming familiar with Quest Migration

Manager. This guide contains the information required to configure and use Quest

Migration Manager. It is intended for network administrators, consultants, analysts, and

any other IT professionals using the product.

Conventions

In order to help you get the most out of this guide, we have used specific formatting

conventions. These conventions apply to procedures, icons, keystrokes and

cross-references.

ELEMENT CONVENTION

Select

This word refers to actions such as choosing or highlighting various interface

elements, such as files and radio buttons.

Bolded text

Interface elements that appear in Quest products, such as menus and

commands.

Italic text

Used for comments.

Bold Italic text

Introduces a series of procedures.

Blue text

Indicates a cross-reference. When viewed in Adobe® Acrobat®, this format

can be used as a hyperlink.

Used to highlight additional information pertinent to the process being

described.

Used to provide Best Practice information. A best practice details the

recommended course of action for the best result.

Used to highlight processes that should be performed with care.

+

A plus sign between two keystrokes means that you must press them at the

same time.

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Post-Migration Activities

Overview

After migration has come to an end and you are absolutely sure that all the objects have

been successfully migrated to the target environment, you might want to perform the

following activities:

1. Stop the mailbox and calendar synchronization jobs for migrated servers and

uninstall the mail and calendar agents.

2. Stop the public folder synchronization jobs for migrated folders and uninstall the

public folder synchronization agents.

3. Stop the Free/Busy synchronization and uninstall the Free/Busy Synchronization

agent.

4. Stop directory synchronization.

5. Disable source accounts.

6. Clean up the service attributes used for migration.

7. Clean up SIDHistory attributes.

8. Clean up permissions for legacy accounts.

9. Decommission the migrated Exchange servers and collapse the source

Exchange organizations.

These steps are described in detail below.

Stop the Mailbox and Calendar Synchronization

Jobs

When all the mail data from a server is migrated to the new Exchange servers, you can

stop the mailbox synchronization job and uninstall the mail agents. By this time all the

users who had mailboxes on the server should already use their target Exchange

mailboxes.

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To stop and uninstall the agents, take the following steps from the Migration Manager

console:

1. Right-click the source server and stop the Mail Source Agent, the Calendar

Synchronization Agent (if running on the source server), and the

Transmission Agent. Alternatively, you can right-click a job in the management

tree and click Stop All Agents on the shortcut menu. Note that the Transmission

Agent can also be involved in public folder synchronization; in this case you

should not stop it.

2. If the target servers do not participate in any other mailbox synchronization jobs,

stop the Mail Target Agent on each of the target servers.

3. Delete the mailbox and calendar synchronization jobs for the server.

4. Uninstall the stopped agents by clicking Install/Uninstall Agents on the

Actions menu.

Stop the Public Folder Synchronization Jobs for

Migrated Folders

After all the users have been switched to the target servers and are using the target public

folders, you can stop the public folder synchronization jobs, as follows:

1. Right-click each of the source and target servers and stop the Public Folder

Source Agent, the Public Folder Target Agent, and the Transmission

Agents. Alternatively, you can right-click a job in the management tree and click

Stop All Agents on the shortcut menu. Note that in this case you might

occasionally stop an agent that is involved in other synchronization jobs, for

example if public folders from different source servers are synchronized with the

same target server.

2. Delete the public folder synchronization jobs.

3. Uninstall the stopped agents by clicking Install/Uninstall Agents on the

Actions menu.

Stop the Free/Busy Synchronization Job

After all the users get switched to the target servers, you can stop the free/busy

synchronization job and uninstall the Free/Busy Synchronization Agent, as follows:

1. Right-click each of the source and target servers and stop the Free/Busy

Synchronization Agent. Alternatively, you can right-click a Free/Busy

synchronization job in the management tree and click Stop All Agents on the

shortcut menu.

2. Delete the Free/Busy synchronization job.

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Stop Directory Synchronization

After all the objects have been successfully migrated to the target environment, the

directory synchronization job can be stopped and the Directory Synchronization Agent

uninstalled.

Disable Source Accounts

Once you are sure that the migration was indeed carried out smoothly, that access to

resources has been preserved, and that your help desk is not experiencing a sharp

increase in the number of calls, it is good practice at this stage to disable the source

accounts and thus make sure that all users are logging on with their target accounts.

We recommend that you wait some time after disabling the source accounts to make sure

that all users are using their target accounts before beginning cleanup.

Clean Up the Service Attributes Used for Migration

To clean up the service attributes used by the Directory Synchronization Agent during

migration and synchronization, you can use the Active Directory Cleanup Utility for

Quest Migration Manager. The utility is available in the Migration Manager for Active

Directory Resource Kit.

The Directory Synchronization Agent adds to the proxy address list of each

synchronized target user an x500 address that is equal to the legacyExchangeDN

attribute of the matching source user. Do not delete these x500 addresses unless you

are certain they are no longer needed. The x500 addresses are used for the following

purposes:



If you migrated mailboxes in Remote Users Collections, preserving their OST

files, these x500 addresses are used to link the original OST files with the target

mailboxes.



If an e-mail was received from a source recipient and delivered to the source

mailbox before this e-mail was migrated to the target mailbox by the agents, the

x500 address is used to reply to the e-mail.

If you delete these x500 addresses from the proxy address list of the target mailbox

later, the OST file associated with the mailbox will become inaccessible and other users

will no longer be able to reply to old e-mail sent by users whose addresses have been

deleted.

Therefore, you should never delete auxiliary x500 addresses added by the Directory

Synchronization Agent unless you are absolutely sure that the ability to reply to the old

e-mails is no longer needed and you want to rebuild the OST files.

Clean Up SIDHistory Attributes

After the distributed resources and BackOffice servers have been processed, we

recommend you wait some time to ensure that everything is working right before cleaning

up SIDHistory attributes from the target user accounts.

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Directory Processing section of the Migration Manager for Active Directory User Guide for

more details.

If after SIDHistory cleanup some users cannot access resources, SIDHistory can be

re-applied back to the accounts that lost access only by re-migrating these accounts (with the

merge option). This will give you time to check whether the resources were processed

correctly for these accounts, fix the problem, and clean up SIDHistory again.

After SIDHistory is cleaned up, wait some time to ensure that all target users can access

the resources they used before the migration.

Clean Up Legacy Account Permissions

Once your users have started to log on under their new accounts in the target domain and

are not experiencing any problems with access to resources, you may want to remove

unnecessary references to the original source accounts in groups, user rights, and object

security descriptors.

Cleanup is hard to undo, so it is recommended that you clean up permissions only when

you are sure that all users are using their target accounts for all applications and have

no problems accessing resources.

Cleanup of legacy account permissions is performed by the same wizards used to update

resources. Refer to the table below to choose the resource updating tool and the right

option to cleanup legacy account permissions from distributed resources, Active Directory,

and BackOffice servers.

TO CLEAN UP LEGACY ACCOUNT PERMISSIONS FOR

TOOL TO USE RE-PERMISSIONING OPTION TO CHOOSE REFERENCES

Distributed

resources

Resource

Updating

Manager

Clean up legacy local

group membership, user

rights and permissions of

migrated users.

This option is available

when you create a

processing task in

Resource Updating

Manager.

See the Resource

Updating Manager

section of the

Migration Manager for

Active Directory User

Guide.

Active Directory

Active

Processing

Wizard

Clean up group

membership and

permissions of migrated

users

See the Active

Directory Processing

section of the

Migration Manager for

Active Directory User

Guide.

Exchange servers

Exchange 5.5

Processing

Wizard

Exchange

Processing

Wizard

Clean up legacy object

ownership and

permissions of migrated

users

See the Exchange

Processing section of

the Migration Manager

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TO CLEAN UP LEGACY ACCOUNT PERMISSIONS FOR

TOOL TO USE RE-PERMISSIONING OPTION TO CHOOSE REFERENCES

Systems

Management

servers

SMS

Processing

Wizard

Clean up object ownership

and permissions of

migrated users

See the SMS

Processing section of

the Migration Manager

for Active Directory

User Guide.

After the cleanup, users from the source domain will lose their access rights. If cleanup

is done before running Resource Updating Manager with the Reassign local group

membership, user rights, and object permissions to target users option selected,

there will be no way to get these permissions back, nor will there be a way to reassign

permissions to target users by Resource Updating Manager. You will have to restore

resources from a backup.

Decommission Migrated Environments

In an Exchange migration, after mailbox migration is completed, you can clean the source

mailboxes and move them to another server in the same administrative group. This

ensures the uninterrupted collaboration for the other users of source organization and

frees up hardware.

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About Quest Software, Inc.

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www.quest.com.

Contacting Quest Software

Email [email protected]

Mail Quest Software, Inc. World Headquarters 5 Polaris Way Aliso Viejo, CA 92656 USA

Web site www.quest.com

Refer to our Web site for regional and international office information.

Contacting Quest Support

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Third Party Contributions

Quest® Migration Manager, version 8.8 contains some third party components (listed below). Copies of their licenses may be found at http://www.quest.com/legal/third-party-licenses.aspx.

COMPONENT LICENSE OR ACKNOWLEDGEMENT

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ZLib 1.1.4 zlib 1.2.3

TinyXml 2.2.1 This product contains portions of the PAWN scripting software (formerly known as SMALL).

* a copy of the source code for this component is available at http://rc.quest.com.

Boost 1.34.1: License Text

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The copyright notices in the Software and this entire statement, including the above license grant, this restriction and the following disclaimer, must be included in all copies of the Software, in whole or in part, and all derivative works of the Software, unless such copies or derivative works are solely in the form of machine-executable object code generated by a source language processor.

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