Well, after several weeks, Microsoft finally got around to resolving the name on my account.
Thank you for your patience in this matter. We are contacting you to inform you that our support team has made some adjustment on the Microsoft Volume Licensing website for case ID: 777XXX. We would like for you to access the Volume Licensing website and verify if the adjustments have resolved the issue.
If we do not receieve a response in 72 hours we will consider the issue resolved.
Microsoft Volume Licensing Services (VLS) Escalations