Apple push certificates portal - MDM push cert generation error

Question

Created Mar ’22

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Our Vedor MDM push certificate was renewed in January this year and tested after that. Today however I have found that when uploading our CSR to the push certificates portal to renew existing or create new customer/client push certificates, we receive the error "Invalid file size or type".

The CSR generation has not changed since we updated in January and I haven't seen any communication regarding changes to file type or size required for the vendor signed CSR.

Any ideas?

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Answer 1

alivesey OP

Mar ’22

It appears that just changing the file extension to .txt allows it to be uploaded again. Would still like clarification on what the requirements are for the vendor signed CSR file.

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Answer 2

QueenPopsicle OP

Mar ’22

I'm fairly certain there is an issue with the portal itself.

Using the exact same csr file (with .csr extension) I get different results randomly. At times it's accepted, and at others, it's rejected as invalid.

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