How to install SSL certificate for a domain in Plesk

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    Tanja Kluth

    How do I upgrade a SSL Certificate to Intermediate or Chain? 

    I have a valid certificate, when i try to update it to intermediate it says incompatible key and certificate

  • Avatar
    Ivan Postnikov

    Hello @Tanja, 

    The intermediate certificate is a separate type of certificates, which is used together with a server certificate. More information, for example, may be found here.

    For obtaining required info regarding your certificate, please, contact corresponding certificate authority.

  • Avatar
    Tanja Kluth (Edited )

    thank you, but i already have everything, i only need to add it into plesk somehow.

    Do i just overwrite the certificate i already have there? Or do i add it under the old certificate? 

    Edit: i solved my problem now, it is really related to how to add the intermediate certificate when you already have a certificate

    please! I need an additional walkthrough for the case 

     

  • Avatar
    Ivan Postnikov

    Hello @Tanja, Could you, please, clarify the question? As I can see from the reply, the issue is already resolved.

    Could you please give more details about the scenario you are trying to apply? 

    This will allow to give you more precise answer.

  • Avatar
    Tanja Kluth

    Hello Ivan,

    the problem is the change from installed SSL certificate which is accepted from almost every browser as secure except safari (and some other mobile exceptions) to the extended "intermediate" certificate.

    So i had my URL running for a few month under the normal Commodo SSL certificate but then started to get complains from customers that some browsers still marked my url as unsecure. i contacted commodo about it and they gave me an intermediate certificate with a vage instruction to add it under the normal certificate in plesk..

    i had 1 week struggle till i figured out they ment that literal AND that i had to redo it underplesk with the normal certificate top and the intermediate bottom. 

    i work for a small company and i m the technical support for everything here, a jack of all trades is a master of non so i (and probally other people) need that "how-to" in case i need to do that again in a few month and i forgot how to do it (or someone else like me totally new to that problem needs as well) so my request is if you can make a more detailled walk-though.

    i would actually do that myself if you want (as long as i still know how) but i dont think i can? 

  • Avatar
    Ivan Postnikov

    Hello @Tanja, thank you for sharing the additional details.

    > i would actually do that myself if you want (as long as i still know how) but i dont think i can? 

    Feel free to share detailed steps which helped you to achieve the goal.

    Based on this information, this article will be updated or the new one will be created. 

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