If you are relying on BitTitan default job ordering and noticing that high-priority mailboxes are stuck behind lower-priority accounts, the issue is typically process, not performance.

MigrationWiz runs jobs according to submission order and the platform concurrent job limits. Unless you plan around it, accounts submitted earlier will start and finish ahead of accounts submitted later, even when business priorities say the opposite.

For executive mailboxes, IT administrator accounts, and shared mailboxes with large delegate populations, the practical way to get them completed early is to submit them separately before you kick off the general population. BitTitan does not provide a native priority queue that elevates individual users within the same batch.

A prioritization pattern that consistently works is to separate critical accounts into their own MigrationWiz project, run that project first, confirm access and completion, and only then start the general population project. Using two projects against the same tenant pair started at different times lets you control what finishes first without relying on priority functionality that BitTitan does not offer natively.

What are you doing to ensure your high-priority accounts complete early in the BitTitan migration window rather than being governed by default submission ordering?

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