Migration checklist

Consult the checklists to determine if your system qualifies for migration, and any limitations on migration.

Matrix of supported versions
You must be operating with specified versions of the systems you are migrating to and from.
Backing up data and applications before migration
To protect your data during migration, back up all data and applications before proceeding with the migration process. If the results and not as expected, or the process fails, you might need to restore from your back up files.
Version coexistence support and considerations
Only certain versions are supported to work together.
Migration scope and limitations
There are limitations to what is supported for migration.

Parent topic: Preparing for migration to Global Mailbox