What happens if you select NO for the Warning - Overwrite the existing SMTP certificate?

Ashan Kanishka Gunawardana 21 Reputation points

I renewed an SSL Certificate on an Exchange 2016 server. After importing the certificate, I went on to assign services to it. I selected SMTP, IMAP, POP, and IIS. When I clicked to save a Warning pop-up. I could not take a screenshot at that time but I found a similar warning on the internet. I selected NO.
In my case, the default STMP certificate expires on the 17th of June 2020. So will the new certificate automatically become the default, ones the old one expires or should I do it manually? If so how?


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  1. Leon Laude 85,721 Reputation points


    Exchange 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).

    You can ask the experts in the dedicated Exchange forum over here:

    (Please don't forget to accept helpful replies as answer)

    Best regards,

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  1. Ashan Kanishka Gunawardana 21 Reputation points

    Thank you. @LeonLaude