• If you are still using CentOS 7.9, it's time to convert to Alma 8 with the free centos2alma tool by Plesk or Plesk Migrator. Please let us know your experiences or concerns in this thread:
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  1. M

    Resolved Cannot install or retrieve license key

    Hello, I managed to solve my problem! Indeed, after reading dozens of articles to update the root server certificate, trying yum update, or rebuilding the certificates, or checking connectivity to ka.plesk.com, nothing worked and the problem still remained. After that I tried to repair Plesk...
  2. M

    Resolved Cannot install or retrieve license key

    Hello Peter, Thank you for this helpful answer! Could you just tell me if I have to update all the server packages or other thing?
  3. M

    Resolved Cannot install or retrieve license key

    When I click on "Install key", I enter the activation code and validate, then I get another error: Error: Unable to connect to license server https://id-00.kaid.swsoft.com:5224/. cURL error description: Problem with the SSL CA cert (path? access rights?)(77) So the server tries to join...
  4. M

    Resolved Cannot install or retrieve license key

    Hello, There is no firewall problem, I have disabled it and the problem is still here... Could you check this post below and tell me how to change it in the Plesk configuration please ? https://talk.plesk.com/threads/cannot-install-or-retrieve-license-key.334290/ Thanks again !
  5. M

    Resolved Cannot install or retrieve license key

    Hello, Sorry but your answer isn't helping us because we needn't a new server. Could you tell us where to find the log files please? I know that Plesk 12 is not supported anymore, but we are paying for it every month! Thank you for your help.
  6. M

    Resolved Cannot install or retrieve license key

    Hello, We have checked out firewall configuration with iptables, all seems to be already good... OVH doesn't offer us a firewall front of server. So do you have any other idea to help us please? Could we have access to the logs to see what is the problem exactly? Thanks again.
  7. M

    Resolved Cannot install or retrieve license key

    I'm sorry but OVH does not want to provide us the license file. They say it's a firewall configuration problem, what do you think? Thanks! Here is OVH’s response: Your server cannot reach the license server due to a network blockage, so I invite you to check your firewalls and other...
  8. M

    Resolved Cannot install or retrieve license key

    Migrating our server is a long and difficult task that we haven't planned yet, so for now we just want Plesk to work like before! I asked OVH to provide me the license.xml file. In the meantime, could you tell me the procedure to follow to install this file on the server? Thank you again for...
  9. M

    Resolved Cannot install or retrieve license key

    wget --no-check-certificate http://mirror.centos.org/centos/7/os/x86_64/Packages/ca-certificates-2020.2.41-70.0.el7_8.noarch.rpm || curl -k http://mirror.centos.org/centos/7/os/x86_64/Packages/ca-certificates-2020.2.41-70.0.el7_8.noarch.rpm -o ca-certificates-2020.2.41-70.0.el7_8.noarch.rpm I...
  10. M

    Resolved Cannot install or retrieve license key

    There is no result when I enter this command, and there is no change on Plesk, already the same bug sorry... Thanks !
  11. M

    Resolved Cannot install or retrieve license key

    I tried it but unfortunately there is already the same problem... Thanks anyway!
  12. M

    Resolved Cannot install or retrieve license key

    Hello, I use : CentOS Linux 7 (Core) Plesk 12 Edition Web Pro Dedicated server at OVH not updated We are currently unable to access Plesk, the system asks us to renew the license but it is neither possible to recover the licenses, nor to switch to the old license, nor to enter a license key...
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