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Completing Migration › Region Links to a Multisystem Network › A Multisystem Network Migration Example

A Multisystem Network Migration Example

The following diagram shows a multisystem network with two focal regions and four subordinate regions:

The illustration shows the network to be migrated.

To migrate a multisystem network

  1. Unlink Focal 2 from the existing multisystem network, as shown in the following diagram:

    The illustration shows the Focal 2 region unlinked from the network.

  2. Upgrade Focal 2 to Release 12.1.
  3. Link Focal 2 to Focal 1 in migration mode, as shown in the following diagram:

    The illustration shows the upgraded Focal 2 region linked to the Focal 1 region in migration mode.

  4. Unlink Subordinate 1 from the multisystem network and upgrade it to Release 12.1.
  5. Link and synchronize Subordinate 1 to Focal 2, as shown in the following diagram:

    The illustration shows the upgraded Subordinate 1 region linked to the upgraded Focal 2 region.

  6. Repeat Steps 4 and 5 for Subordinates 2-4 and Focal 1.