We can’t access your Microsoft profile as it appears to be blocked on Pearson VUE.

Thank you for contacting the Microsoft Community.

I understand that you need assistance with your Pearson VUE account as it has been blocked. 

In order to address this, you will need to contact your exam delivery provider (Pearson VUE) directly. Their support team will give you full assistance in recovering and giving you access to your account for you to be able register for an exam using your voucher code.

They can also give further assistance needed in exam rescheduling & cancellation since they are the ones who can modify and have visibility for the available slots/dates.

They will be creating a separate case with a different reference ID and assist you from here. You may refer to their contact details in the link below:

https://home.pearsonvue.com/microsoft/contact (Select region)

For future reference, my team's scope of support covers assistance in exam registration and accessing Microsoft Certification profile/benefits.

In any case that you haven't received help or response from them, I want to make sure that I have got you covered. Please send the Case ID (provided by the exam vendor) along with your account information through private message for us to further investigate.

If this solves your problem, please indicate “Yes” to the question and the thread will automatically be closed and locked. In case we do not receive a response, the thread will be closed and locked after one business day. Please be advised that after the case is locked, we will no longer be able to respond, even through Private Messages. If the resolution provided did not resolve the issue, please post a new question. 

Best regards,