Dear @Nguyễn Hồng Phát,
Thank you so much for contacting Microsoft Q&A Support.
After checking your concern, we truly apologize to inform that Microsoft Certification / Exams is currently not supported in the Q&A forums. And I understand that you submitted PL-300 form with wrong account. In this situation, I suggest you start to ask your concern with Training, Certification, and Program Support Community on this issue so that you can get more professional help, there will be very professional people to tell you about the steps on how to realize this function.
For any future concerns regarding Microsoft training courses, please refer to Microsoft Credentials - Training, Certification, and Program Support
Or you can contact Pearson VUE Support:
Pearson VUE - Customer Service
Additionally, for further information regarding this offer, you can visit Request Form - Microsoft Fabric Community.
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