Hi @RubyRaemakers-1521 ,
Are you sure you've used the same e-mail address that you registered for Microsoft Ignite Challenge?
Just to make sure, did you follow all steps as described here:
https://learn.microsoft.com/en-us/learn/certifications/microsoft-ignite-cloud-skills-challenge-2020-free-certification-exam
Also note that Microsoft Certification / Exams is 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).
If you followed the Ignite Cloud Skills Challenge link and still didn't get a discount, I suggest you ask the experts in the dedicated Microsoft Certification - Exams - Discounts/Vouchers/Special Offers forum over here:
https://trainingsupport.microsoft.com/en-us/mcp/forum/mcp_exams-mcp_offer
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(If the reply was helpful please don't forget to upvote or accept as answer, thank you)
Best regards,
Leon