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Administrator Client
Retaining cc:Mail MTA routing info: deferred migration (R5.0.1)

This Release Note explains the use of a new option on the cc:Mail Upgrade Advanced Settings dialog box that you use when you want to register cc:Mail MTA users from their existing Person documents, but defer migration of their cc:Mail mail boxes. This feature is new beginning in Release 5.0.1.

Retaining cc:Mail MTA routing information for deferred mailbox migration
The migration tool provides an option that lets you migrate cc:Mail MTA users in two phases, rather than all at once. To use this option, complete the migration as follows:



Completing the first phase of the migration
During the first phase of the migration, you:

1. From the People and Groups Migration dialog box, select cc:Mail MTA users to migrate from the Available people/groups list.

2. In the Migration options list:

3. Click Advanced to open Conversions Settings pane of the cc:Mail Upgrade Advanced Settings dialog box and select "Retain cc:Mail MTA routing information for deferred mailbox migration."

4. Click Migrate and then Done to add the users to the Registration Queue.

5. From the Register Person dialog box, select the users to register in the Registration queue.

6. Select the Mail pane and then select Lotus Notes in the Mail system field.

7. Click Register.

After you complete Phase 1, each user's Person document is updated to indicate they are registered Notes users with Notes IDs and mail files. However, users continue to receive messages in their cc:Mail mailboxes and access their mail using the cc:Mail client, because their Notes Person documents retain cc:Mail MTA routing information.

The migration tool saves the mail system setting you specify in the Register Person dialog ( Lotus Notes), but the setting is saved in the background, and is not put into effect. Instead, the Mail system field in the Person document remains set to cc:Mail and other cc:Mail routing information is retained. As a result, routing support for the cc:Mail MTA is maintained, and the Notes user is prevented from using the Notes mail system. Users only receive mail through the cc:Mail MTA router. The cc:Mail Automatic Directory Exchange (ADE) facility continues to propagate the users' cc:Mail directory information to other cc:Mail post offices.

Completing the second phase of the migration
During the second phase of the migration, you:

1. Select the same users you migrated in the first phase.

2. In the Migration options list of the People and Groups Migration dialog box, select "Convert mail only."

The migration tool removes the cc:Mail MTA settings and replaces them with the saved settings. In short, all of the registration settings are retained, regardless of the request to defer the mail migration. This includes the creation of the Notes mail file.