Exchange certificate status says “Invalid”

Question

Hello,

I’ve got two exchange servers, certification is on Ex01-2019, after export certification and import to Ex02-2019, its status says "invalid" but has an expiration date like the below image :

How can I resolve this issue?

Accepted Answer

Hi @Hossein,

Great to know that the issue has already been resolved and thanks for sharing the solution so that others experiencing the same thing can easily reference this! As part of the Microsoft Q&A community guidelines, there is a policy that states "the author of a question cannot accept their own answer. They can only accept answers from others" (https://video2.skills-academy.com/en-us/answers/support/accept-answer#accepted-answer-in-a-question-thread). I've summarized the case for convenience, and if you're willing, I'd appreciate it if you could click the "Accept Answer" button. This will help other forum users to directly find the useful information. Thank you for your understanding!

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Issue Symptom:

I’ve got two exchange servers, certification is on Ex01-2019, after export certification and import to Ex02-2019, its status says "invalid", but the certificate has not expired.

Resolution:

Ex02-2019 required the Internet to check Certificate Revocation List (CRL).Best,

Jake Zhang

Answer

The problem was solved!

Ex02-2019 required the Internet to check Certificate Revocation List (CRL).

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Exchange certificate status says “Invalid”

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