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On Demand Migration Current - Administrator Guide

About On Demand Migration Before You Start Working with On Demand Migrations Starting Migration Project Configuring Connections Sharing Availability Information Collecting Account Information Pre-Migration Assessment Account Migration Domain Coexistence Mail Migration OneDrive Migration Resource Processing Public Folders Migration SharePoint Online Migration Microsoft Teams Migration Finalizing the Migration

Disabling Address Rewriting for Individual Mailboxes

  1. Open Mailboxes
  2. Click On in Address Rewrite facet to show the mailboxes for which address rewriting is enabled.
  1. Select the mailboxes for which you want to turn off address rewriting and click Address Rewrite.
  2. In Address Rewrite Management task, select the Stop address rewriting for the selected mailboxes option.
  3. Click Next to view the task summary. Check selected options, name the task, and click Finish to start the task.
  4. The task is created. You can track its progress in the Tasks or monitor alerts and notifications in the Events.

Disabling Address Rewriting

  • Open project dashboard
  • Click Disable in the Domain Coexistence widget.

NOTE: You can turn Address Rewrite Service off at any time to stop sending outgoing messages with substituted email address. The list of joined mailboxes is not affected.

Mail Migration

Basic mailbox migration workflow consists of the following steps:

# Step
Deploying Client Update Agent
Migrating Mailboxes
Configure mail forwarding from target to source
Configure notifications for mailbox owners
Switch mailboxes

Deploying Client Update Agent

Once the migration is complete, Outlook clients should be redirected to the new Exchange Online. You can control this switch automatically through On Demand Migration console – all you have is to deploy a small utiltity called Client Update Agent to the end-user machines.

Downloading the Agent

Go to the project dashboard and click Download Agent action.

Click Download.

IMPORTANT: The Client Update Agent package comes with the certificate for securing connections between the agent and On Demand Migration. If you suspect that the certificate might be compromised – download the package again, selecting Reissue the certificate option. The previously issued certificate will be immediately revoked.

Deploying the Agent

The Client Update Agent package comes with the agent’s executable that checks the migration status and performs the switching odmclient.exe and the certificate for securing connections between the agent and On Demand Migration certificate.pfx. Now you can automatically distribute then across all clients:

  1. Deploy the certificate to all end-user machines with Group Policy.

See for details.

  1. Create a logon script for client computers.
    For detailed information on command-line parameters, refer to the document (readme.txt) that comes with the package.
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