Unable to install a Let's Encrypt certificate: Too many certificates already issued for exact set of domains




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    Li Link

    we migrated to a new server running onyx 17.5.3 with let's encrypt extension.  while migrating (manually moving, not using tool) we turned off the scheduled task because it was trying to install a certificate before the dns resolved to new server.  we manually installed the let's encrypt certificate on each of the website successfully with no errors.  i turned on the scheduled task again and now one a day for every website we get the error noted above.  there is no way there were too many certificates and there was no way they were expired so why did the extension even try to renew?  at this point, i have not found an answer on any forum any where.  can someone point me to the right direction or do i need to log a ticket with plesk odin?

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    Alexandr Tumanov

    @Li Link,

    This message is received by extension from Let's Encrypt server.

    It depends on different things. If you have a lot of domains with the second level like 123.example.com, test.example.com, hello.example.com, all of them will be counted as one example.com while obtaining a certificate.

    Since the migration was done manually, that we do not recommend, it may be hard to find the cause of such behavior.

    Please, use Plesk Migrator in future for migrations. It also migrates all the certificates.

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    Tobias Steiner (Edited )

    Dear Plesk team,

    Let's Encrypt has recently (Aug 1) updated its max. number of certificates per domain to 50.

    Any chance this will also be implemented in Plesk?

    As of today, I'm still getting the older

    The "Certificates per Registered Domain" rate limit has been exceeded for example.com. Let's Encrypt allows no more than 20 certificates to be issued per registered domain, per week.


    Would be fabulous to also have this in Plesk (I'm using Version 17.8.11 Update #16)

    thanks in advance and all best!


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    Alexandr Redikultsev

    Hi, @Tobias Steiner!

    Thank you very much for your input.

    I will clarify this and will let you know in a couple of days.

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