Hi @Claudio Planás Glez-Riancho
Thank you for posting your question in the Microsoft Q&A forum.
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We have received your inquiry about reschedule the MB-800 Exam in Microsoft Learn. According to your inquiry, I think this is the instructions for your request:
- Log in to your Learn profile and choose Profile from the dropdown menu in the photo avatar.
- Select Credentials in the profile menu then choose Certifications.
- Scroll to the exam appointment you wish to reschedule and choose the “Reschedule” link.
- You will be redirected to the exam delivery provider’s site to reschedule your exam. For detailed instructions, you may visit: Reschedule and cancellation policies | Microsoft Learn
Note: You must reschedule or cancel your exam at least 24 hours before your scheduled exam time to avoid any fees.
Please feel free to reach out to me again if you have other queries.
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