Include the existing on-premises Internal Microsoft Exchange Server settings. For instructions, see:
If the authentication and Microsof Exchange Online must be accessed through the internal network, add the appropriate hosts to the Additional servers section.
For more information on common Microsoft Exchange Online (Microsoft Office 365) hosts and Microsoft exchange Online hosts that can be added, see the Configuring Office 365 Modern Authentication for BlackBerry Dynamics Apps Guide.
Click Apps > BlackBerry Work. In the App configuration section, click +. The new BlackBerry Work app configuration must include the same configuration as the existing app configuration as well as the modern authentication settings.
If your environment is configured to use Autodiscover, this step is not required.
On the Advanced Configuration tab, select the Migration Flow Enabled checkbox. This option allows the user’s email to continue to be synchronized and minimize downtown during the migration.
When you specify an expiration date, any accounts that you migrate after the specified date switch to offline mode during the migration and users can’t send or receive email messages.
If your environment is configured for Kerberos Constrained Delegation or uses a certificate-based authentication for the on-premises Microsoft Exchange Server, but isn't configures for the modern authentication endpoint (for example, you are using Forms-based or certificate-based authentication), then clear the following checkboxes or users will be prompted for credentials:
Scroll to the bottom of the page and click Save.
Assign the new app configuration to users who will be migrated to Exchange Online. If you are migrating users in batches, assign the new configuration prior to migrating users.
For more information on assigning the app configuration to users, see
You have successfully enabled the mailbox migration flow and can now migrate the BlackBerry Work mailbox from an on-premises Microsoft Exchange Server to Microsoft Office 365!
For more information, see Migrating a BlackBerry Work mailbox from an on-premises Microsoft Exchange Server to Microsoft Office 365.