• Our team is looking to connect with folks who use email services provided by Plesk, or a premium service. If you'd like to be part of the discovery process and share your experiences, we invite you to complete this short screening survey. If your responses match the persona we are looking for, you'll receive a link to schedule a call at your convenience. We look forward to hearing from you!
  • The BIND DNS server has already been deprecated and removed from Plesk for Windows.
    If a Plesk for Windows server is still using BIND, the upgrade to Plesk Obsidian 18.0.70 will be unavailable until the administrator switches the DNS server to Microsoft DNS. We strongly recommend transitioning to Microsoft DNS within the next 6 weeks, before the Plesk 18.0.70 release.
  • The Horde component is removed from Plesk Installer. We recommend switching to another webmail software supported in Plesk.

apache 2.4.52

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    Issue apache mpm_event alert AH03104 unable to create worker thread

    On my Ubuntu 22 LTS server, I frequently see errors like the following in the apache2/error.log [mpm_event:alert] [pid 653600:tid 140299242296896] (11)Resource temporarily unavailable: AH03104: apr_thread_create: unable to create worker thread My server is used mainly for email and I do not...
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