Hi Sourabh,
Thank you for contacting the Microsoft community.
Being unable to reschedule or access your exam certainly is not an experience we want you to have as I understand how important this is for you. Allow me to provide guidance and clarification with regards to this issue.
I appreciate you bringing this to our attention. We received several reports from other learners as well about the errors they are experiencing while trying to schedule exams. This was communicated to our support team immediately and we were advised that Pearson VUE experienced service interruption in registration and rescheduling over the last few days.
The announcement below was also made to notify other users about this and confirm that this issue has already been resolved.
As advised, Pearson VUE will be reaching out to the affected users but feel free to contact them directly should you require immediate assistance in rescheduling your exam.
Meanwhile, if you are an ESI learner, it is best to reach out to the Enterprise Skill Initiative support team for additional assistance as they are the dedicated team to assist issues faced by ESI learners. I have provided their support portal link on our private messages. You may share the Case ID with me along with the information requested through the private message I initiated.
Otherwise, 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.
Sincerely,