Cannot install Plesk license key: cURL cannot communicate with license server

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    Janis Krumins

    OS - Linux Centos 7, no firewall installed.

    Plesk license is expired, and i cant login and install or modify plesk firewall...

    how to solve it and install new license key? Is there any command prompt usage?

     

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    Ivan Postnikov

    @Janis, yes, a license may be installed via command line. Use this article for instructions.

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    Janis Krumins

    /usr/local/psa/bin/license -i XXXXXX-XXXXXX-XXXXXX-XXXXXX-XXXXXX
    The license key was successfully installed.

    But when i try to login plesk panel still get:

    Error: The license key is invalid. In order to use Plesk, please obtain and install a new valid license key.
    Your license key has expired. To continue using your Plesk, you must purchase a non-expiring commercial license key.

    How to resolve this problem?

    nslookup ka.plesk.com
    Non-authoritative answer:
    Name: ka.plesk.com
    Address: 195.214.233.81
    Name: ka.plesk.com
    Address: 195.214.233.82
    Name: ka.plesk.com
    Address: 195.214.233.80

     

    When trying install key via plesk panel interface, i get this error:
    Error: cURL cannot communicate with license server https://id-00.kaid.plesk.com:5224/ (): Couldn't resolve host name(6)
    cURL cannot communicate with license server https://id-00.kaid.plesk.com:5224/ (): Couldn't resolve host name(6)

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    Ivan Postnikov

    Hello @Janis, most probably the issue is caused by CentOS update to 7.5, which was released on the 10th of May.

    The issue and resolution are described here: https://support.plesk.com/hc/en-us/articles/360004139594-cURL-error-6-Could-not-resolve-host-example-com-Name-or-service-not-known

     

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