Unable to Generate MDM CSR for Apple Push Certificates Portal

I am currently developing an Apple MDM solution as a vendor and have successfully obtained the Vendor Certificate from the Apple Developer Portal. However, when attempting to generate and upload the Certificate Signing Request (CSR) to the Apple Push Certificates Portal Portal Link. I encounter the error: "Invalid Certificate Signing Request."

I have followed the official Apple documentation outlined here, but the issue persists. Doc Link

Could you please guide me through the correct process to generate a valid CSR and successfully upload it? Any assistance would be greatly appreciated.

Thank you for your time and support.

If you are the MDM vendor/developer, please contact AppleCare Professional Support by phone for assistance with MDM issues.

(You can find the numbers for your relevant region here: https://support.apple.com/en-us/106932) Then ask to be transferred to AppleCare Professional Support.

For more information, please visit https://www.apple.com/support/professional/enterprise

Unable to Generate MDM CSR for Apple Push Certificates Portal
 
 
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