Migration Manager for Exchange 8.15 - Source Exchange 2019 Environment Preparation

Source Exchange 2019 Environment Preparation

Preparation Overview Checking System Requirements Setting Up Accounts and Required Permissions

Setting Up the Source Active Directory Synchronization Account Setting Up the Source Exchange Account

Changing the Default Exchange Account Granting Read Access to Active Directory Domain Granting Read Permission for Microsoft Exchange Container Granting ApplicationImpersonation Management Role Granting Move Mailboxes Management Role Granting Mail Recipients Management Role Granting Membership in Local Administrators Group Granting Mail Enabled Public Folders Management Role Granting Full Control on Mailbox Database Granting Full Control on Public Folder Administrator Mailbox

Setting Up the Source Active Directory Account

Changing the Default Source Active Directory Account Granting Read Access to Active Directory Domain Granting Read Permission for the Microsoft Exchange Container Granting Write proxyAddresses Permission on Descendant PublicFolder Objects

Setting Up the Agent Host Account

Changing the Default Source Agent Host Account Granting SCP Create, Read and Write Permissions Granting db_owner Role on SQL Server

Preparing the Source Exchange Environment for Exchange Migration

Backing Up Exchange Installing the Microsoft Exchange Server MAPI Client and Collaboration Data Objects 1.2.1 Creating Custom Throttling Policies Setting Exchange Autodiscover URL (Optional)

Setting Up Connection with the Target Exchange Organization Using SMTP Connectors

Setting up Source Exchange Organization for Internet Mail Flow between Source and Target Exchange Organizations

Creating Send Connector Modifying Default Receive Connector Adding E-mail Domain Used for Redirection to the List of Accepted Domains

Configuring Source DNS Server for Mail Forwarding Testing the SMTP Connectors (Optional)

Granting db_owner Role on SQL Server

To grant the db_owner role on the SQL Server for the Agent Host Account, take the following steps:

In SQL Server Management Studio, browse to the server that will be used by Migration Manager for Exchange, and select Logins from the server Security node.
Right-click Logins and click New Login.
On the General page of the Login - New dialog box, specify the account in the Login name field and select the Windows Authentication method.
On the User Mapping page of the Login - New dialog box, select the migration project database and then select db_owner database role for that database.
Close the dialog boxes by clicking OK.

Preparing the Source Exchange Environment for Exchange Migration

Perform the steps described in the related subtopics to ensure that your Exchange environment is ready for migration:

Backing Up Exchange

Before implementing Migration Manager for Exchange in your production environment, back up your Exchange infrastructure. We recommend that Active Directory data be backed up at least twice a day during migration.

Transaction Log File Cleanup

When Migration Manager for Exchange synchronizes mail, for every megabyte of data migrated from the source to the target, a transaction log file of equal size is generated on the target Exchange server. Exchange-aware backup applications purge the transaction logs after the backup completes. By the time the backup finishes, all logged transactions have already been applied to the store and backed up to tape, making log cleaning safe.

Large transaction logs that are generated during mailbox migration quickly occupy free disk space. To work around this problem, perform one of the following:

If a full backup strategy is implemented in the organization or there is no backup strategy at all, then circular logging may be enabled for unattended log deletion.
If an incremental or differential backup strategy is already implemented in the organization, then make sure that logs are cleared automatically when backup process is finished. Do not enable circular logging in this case.

Note also that Microsoft recommends turning OFF circular logging on the Exchange server. For more information, refer to Microsoft Knowledge Base article 147524: XADM: How Circular Logging Affects the Use of Transaction Logs.

Installing the Microsoft Exchange Server MAPI Client and Collaboration Data Objects 1.2.1

Migration Manager needs version 6.5.8353.0 or later of Microsoft Exchange Server MAPI Client and Collaboration Data Objects 1.2.1 to be installed on the computers where Migration Manager agents will run (that is, Exchange 2007 and 2010 Servers and agent hosts only).

Since the MAPI CDO setup package is not available for distribution, you should download it from the Microsoft Web site. At the moment of the last document update, the download link is http://www.microsoft.com/en-us/download/details.aspx?id=42040.

After installing the API, restart the computer.

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Migration Manager for Exchange 8.15 - Source Exchange 2019 Environment Preparation

Granting db_owner Role on SQL Server

Preparing the Source Exchange Environment for Exchange Migration

Backing Up Exchange

Transaction Log File Cleanup

Installing the Microsoft Exchange Server MAPI Client and Collaboration Data Objects 1.2.1

Installing the Microsoft Exchange Server MAPI Client and Collaboration Data Objects 1.2.1