#i cannot continue to book exam

The “unexpected error” when trying to schedule an exam is commonly caused by a Pearson VUE account block, often after multiple failed payment attempts.

Take these steps:

1. Check whether the URL of the error page contains ERROR_VUE_WIDE_BLOCK. If it does, the Pearson VUE account is blocked.
2. To remove the block and complete the booking, contact Pearson VUE support using the contact link provided on the Microsoft Certification Support page: https://aka.ms/CertificationSupport.
3. After Pearson VUE confirms the block is lifted, return to the exam page for AB-730 and schedule again via the “Schedule with Pearson VUE” button, following the normal registration flow.

If the issue persists even after Pearson VUE clears the account, raise it through Microsoft Certification Support using the same support page.

References:

• Exam schedule error - Microsoft Q&A
• MB 500 Certification - Microsoft Q&A
• Register and schedule an exam