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Migration Manager for AD 8.15 - Resource Processing Guide

Introduction to Resource Update Distributed Updates in Resource Updating Manager Common Resource Update Workflows Active Directory Processing Exchange Server Processing SMS Processing SQL Server Processing Cluster Server Migration Command-Line Resource Update SharePoint Processing

Intra-Forest Domain Migration

The most common scenario for the use of EPW is during Active Directory migration from one domain to another within the same forest. User accounts are migrated with their Exchange-related properties intact.

 

Role of EPW

After the migration of user accounts is complete, the users in the target domain can still log in to their mailboxes, provided that the Reconnect Exchange mailbox option was used in the migration session. However, these users do not have any of the permissions that the source user accounts had (because the target users have different SIDs). In public folders, the permissions are also based on the old domain configuration.

Run EPW against the Exchange server after the migration to make sure that:

  • All delegation-related permissions on the mailboxes are re-aligned correctly to the new users.
  • The new users have the same level of access to public folders that the old users did.

NOTE: You may need to use Active Directory Processing Wizard in the source domain after these steps.

Source Forest Becomes an ERF

A popular scenario involving EPW is creation of an Exchange resource forest (ERF) topology instead of a single forest. In this variation of the scenario, user accounts move to another newly-created or existing Active Directory forest, and the target users are supposed to become the new owners of the mailboxes. The source forest remains as an ERF, and the source users are disabled.

Role of EPW

After the migration of user accounts is complete, the users in the target forest have no access to the mailboxes in the ERF. Run EPW against the Exchange server after the migration to make sure that:

  • The target forest user accounts become the new owners of the mailboxes.
  • All delegation-related permissions on the mailboxes are re-aligned correctly to the new users.
  • The new users have the same level of access to public folders that the old users did.

NOTE:

  • You may need to use Active Directory Processing Wizard in the Exchange resource forest after these steps.
  • ERF setup requires EPW only if the source forest becomes an ERF. Making the target forest an ERF involves the use of Migration Manager for Exchange, which automates the permission update work. As long as users’ SIDs can be resolved during the Exchange migration, the permissions will be modified correctly for both source and target users.

Users Change Forest in an ERF Topology

A possible scenario is when users from one forest have mailboxes in another (ERF) forest and are moved to a third forest. The target users are supposed to become the new owners of the mailboxes in the ERF, and the old forest is supposed to be decommissioned.

 

Role of EPW

After the migration of user accounts is complete, the users in the target forest have no access to the mailboxes in the ERF. Run EPW against the Exchange server after the migration to make sure that:

  • The target forest user accounts become the new owners of the mailboxes.
  • All delegation-related permissions on the mailboxes are re-aligned correctly to the new users.
  • The new users have the same level of access to public folders that the old users did.

NOTE: You may need to use Active Directory Processing Wizard in the Exchange resource forest after these steps.

Prerequisites (Exchange Server Processing)

  • For a successful Exchange directory update, you must use an account with the Full Exchange Administrator role for the Exchange organization.
  • For a successful Exchange server update, Integrated Windows authentication must be enabled on Exchange virtual servers and folders.
  • An Exchange 2000 Server update requires Exchange 2000 Server Service Pack 1 or later. It is recommended to use the latest Exchange 2000 Server service pack (currently this is Service Pack 3).
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