Hello, Greg.
Welcome to Microsoft’s Community.
To associate your Microsoft Certification to the Microsoft Partner Center, however, it has not been possible for you to complete this process.
In this case, please check this website where you will find the guidelines to know How to link or unlink a Microsoft Certification profile ID (MCID) to a Microsoft Partner Network (MPN) account
In case you require support while following the steps mentioned in the article, you can contact the Microsoft Partner Network Team (MPN) by clicking on this link: Partner Center (microsoft.com) You can also reach this Team by dialing their direct phone number: 1 800 6767658.
If you would like to change the email address on your Microsoft Learn Platform you can go to the Microsoft Learn Support Team, however, if you want to change the email on the Partner center, please go to the Partner Network Center link or talk to your Company administrator to proceed with your request. Be informed that the Microsoft Partner Network allows your company to have only one account per user.
Any Partner Center user can create a support request. You can send diagnostics to help the support team fix the problem more quickly.
If you want to talk to a representative, you can schedule a support appointment.
You have reached the Microsoft Certification Support Team which caters to inquiries and/or concerns related to certifications and exams benefits and requirements found within the Microsoft Learning Site.
We wish we could be of more help, and if any additional assistance is needed with other matters, rest assured that we will be happy to jump in and look.
If the assistance given solved your request, please indicate “Yes” to the question “Did this solve your issue?” shown below, so other Learners can benefit from this. Remember your feedback is important to improve our service. If no response is received, we proceed to close and lock the case the next business day.
Wishing you an amazing day,