In my last post about upgrading vCenter to 6.5 I’ve outlined the steps I needed to do for the migration. Both pre-migration, the actual migration and some post-migration steps.
Today we were about to upgrade/migrate one of our oldest and biggest vCenters which presented some additional steps to consider for the pre-migration checks and tasks. This is also described in the VMware documentation so it shouldn’t be a surprise to those reading that before migrating.
Anyways, we started the migration and all seemed fine until the Deployment size of the Appliance were shown. The installer only gave one option, the x-large.[...]