• Please be aware: Kaspersky Anti-Virus has been deprecated
    With the upgrade to Plesk Obsidian 18.0.64, "Kaspersky Anti-Virus for Servers" will be automatically removed from the servers it is installed on. We recommend that you migrate to Sophos Anti-Virus for Servers.
  • The Horde webmail has been deprecated. Its complete removal is scheduled for April 2025. For details and recommended actions, see the Feature and Deprecation Plan.
  • We’re working on enhancing the Monitoring feature in Plesk, and we could really use your expertise! If you’re open to sharing your experiences with server and website monitoring or providing feedback, we’d love to have a one-hour online meeting with you.

website preview

  1. S

    Question WP Admin Login in Website Preview

    Unable to login into the website preview WordPress. There is always an error saying Error: Cookies are blocked or not supported by your browser. You must enable cookies to use WordPress.
  2. P

    Resolved Open in Web Button fails, showing Plesk login

    I have been testing moving sites between servers involving DNS changes. As part of this process, I used the Website Disable option for the first time. The website worked fine on server 2 but when restored to server 1, this problem arose. I have already carried out a server migration with...
  3. J

    Question Need beginner’s advice with AH01630: client denied by server configuration

    Hi there, I’ve been away from Plesk for about 10 years and it seems the knowledge I had then isn’t really applicable today. I’ve followed the guide and set up some domains. The ones that are operating needed the help of an expert, but I remember I used to be able to do all this myself. One...
  4. A

    Issue Website Preview Option not working in Plesk

    Hi, The website preview option in plesk not working for any websites even though the websites are working fine. When I try to preview website, a 404 error telling file or directory not found shows. Can someone helps me to resolve this ?
  5. websavers

    Resolved Quick Preview failing due to HTTP/2 (HSTS)

    After enabling HTTP/2 on a server, quick previews fail to function. This is because HTTP/2 requires a TLS channel, thus enforcing HSTS. However the Quick Preview URL does not present a matching certificate, so the TLS connection fails in most modern browsers that try to negotiate over https...
  6. A

    Website Preview produces 404 error

    Hello! I'm quiete a newbie here and of course I've searched the forum but did not find a solution for our problem. So perhaps You can help. We have a Virtual Server which has the shared IP Address 82.165.138.110 and it runs under CentOS 6. The container is Parallels Power Panel (Virtouzzo)...
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