How to migrate from DirectAdmin to Plesk 12?
Plesk Migration Manager does not support migration from DirectAdmin.
The #1968169 feature request was created to include ability to migrate from DirectAdmin to Plesk.
Until then, there are general steps that should be done with preparing data to move from other control panels to the Plesk - #213379469
It is possible to perform migration from DirectAdmin to cPanel and afterwards from cPanel to Plesk.
The migration is yet not supported via Plesk 12.5 migrator extension, however even now we can implement it as migation from a custom hosting as per Migrating from a linux server with custom hosting . Please check out our professional services option if you need assistance: https://www.plesk.com/professional-services/
Information about how to perform mass password reset with Plesk Mass Password Reset Script - #213958025