Microsoft Certification / Exams are currently not supported in the Q&A forums, the supported products are listed over here https://learn.microsoft.com/en-us/answers/products (more to be added later on).
You can ask the experts in the dedicated Microsoft Certification - Exams forum over here:
https://trainingsupport.microsoft.com/en-us/mcp/forum/mcp_exams
If the exam was scheduled with PearsonVue, you can contact them over here and try to reschedule your exam:
https://home.pearsonvue.com/microsoft/contact
More information about rescheduling exams here:
https://home.pearsonvue.com/Test-takers/Resources.aspx?ot=collapse156
(Please don't forget to accept helpful replies as answer)
Best regards,
Leon