Thanks UFHH01. I actually managed to solve the problem myself. I used advanced mode, and watched the progress of the migration logs on the server, and realized that the destination server had its IP set to Dedicated instead of Shared, which was the root cause.
I'm attempting to migrate several websites (all under a single subscription) from one Plesk server (Both running Onyx 17.5.3) to another using the Migration Extension (version 2.10.10-0).
However, every time I attempt to run the migration, I get the following error:
Error: Plesk Migrator...