Technical Questions
Help articles related to Plesk migration, upgrades, databases ant etc.
Other
- How to clean temporary Plesk files on a Linux server
- How to connect to a Plesk server via RDP with available credentials
- How to subscribe on changes in Plesk Help Center articles / sections
- How to secure a Plesk server
- How to get support directly from Plesk?
- Unable to perform "refresh" operation of Plesk Server via WHMCS: ERROR 1060 Specified owner can not have sub objects
Plesk Service/Interface
- Plesk does not operate properly when a server lacks disk space or inodes: No space left on device
- Unable to download backup in Plesk Obsidian: Network Error
- Cannot install Plesk license: Certificate signature verification failed
- Unable to create subdomain: Plesk web interface just hangs
- Unable to access Plesk in Chrome or Chromium-based browser in macOS 10.15 Catalina: ERR_CERT_INVALID
- The log php_error.log is not rotated for any domain
Webserver
- After update to Plesk Obsidian webmail shows invalid ssl warning
- Cannot activate website when backup task is in progress: The server is temporarily unable to service your request due to maintenance downtime or capacity problems
- Nginx configuration failed: [emerg] invalid condition "$uri" in configuration file
- How to make Fail2ban monitor a specific website in Plesk and block failure login attempts
- Unable to clone website in Plesk: Event not scheduled
- Websites are being indexed in Google through preview url
Applications & Extensions
- Unable to activate Google Drive Backup: ERROR: Error: Call to a member function process() on null (RemoteSettings.php:96)
- Unable to start Watchdog: Error: Error occurred while calling the module utility wdservice: 'start: Job is already running: psa-wdcollect
- Unable to install APS application: Call to a member function getOwner() on null
- Mod Security got automatically disabled after installing the micro update 68 for Plesk Onyx 17.8.11
- Plesk Route 53 extension continues provisioning DNS zones while it is disabled
- Unable to update domain alias with SmartUpdate when the main domain resolves to another server
Backup, Restore & Migration
- In a Migration from Plesk 9.5 to Onyx or Obsidian, the subdomains are migrated without web hosting
- Migration of suspended accounts from cPanel to Plesk fails: rsync: opendir "/home/username/public_ftp" failed: Permission denied (13)
- Unable to restore any object from a Plesk backup: [Error 2] The system cannot find the file specified
- Unable to migrate subscription: The password does not meet password policy requirements because it is too short
- Unable to see information about errors/warnings that occur during Plesk backup creation: Empty page opens after pressing "View the log" button
- Migration from cPanel to Plesk fails to start: stdin: is not a tty, Unmatched ) in regex
Databases
- MariaDB 10.3 error after upgrade: Plugin 'unix_socket' is not loaded
- MSSQL databases take long time to load on Plesk server
- Cannot add PostgreSQL with custom port in Plesk: Is the server running locally and accepting connections on Unix domain socket
- MySQL instance is stopped and set as Manual Startup during Updates
- Unable to create Mysql database in Plesk: Database user name is invalid. Only latin letters are allowed in the database user name
- How to increase upload dump size in phpMyAdmin?
Installation & Upgrade
- Upgrade Guide to Plesk Obsidian
- How to upgrade Plesk to the next release
- How to install an SSL certificate for a domain in Plesk (Let's Encrypt / other certificate authorities)
- Upgrade to Obsidian fails: The installation of the package 'plesk-locale-base-en-US' failed with code -1
- Pre-upgrade warning message: There are 2 mail accounts with passwords encrypted using a deprecated algorithm. These users will be able to log in to mail server with PLAIN authentication mechanism, but they will lose the ability to log in to Plesk
- Unable to download Plesk Installer to the Windows Server Core or via CLI
- Emails sent from a Plesk server to mail services like Gmail, Outlook or Yahoo! Mail appear in spam. How to troubleshoot?
- Upgrade to Plesk Obsidian fails with Postfix dependency error: Error: Package: 2:postfix-perl-scripts-2.10.1-7.el7.x86_64 (base) Requires: postfix = 2:2.10.1-7.el7
- Email messages sent in plain text are not displayed in Horde Webmail in Plesk Obsidian: The message part may contain incorrect character set information preventing correct display.
- Cannot change the password via webmail interface
- "Cannot get sender domain" message for email with the empty FROM: <> in the mailllog
- Percent "%" shown instead of spaces in the custom SPF explanation text
DNS & Statistics
- The DigitalOcean DNS extension loads slowly
- Plesk CLI tool (plesk bin server_dns) creates NS records without A record
- Unable to set Null MX record in the DNS zone: You need to specify a value
- Disk usage shows 0 value in Plesk 17.5
- Unable to find the option Allow signing outgoing mail at Mail Server Settings
- When restoring a backup of a domain from Plesk A to Plesk B, the DNS zones are not synced with the Slave DNS server
Website Builder
- Web Presense Builder Cannot upload favicon: Please upload a valid icon file in the .ICO format.
- Message in Web Presence Builder contact form is disappeared if captcha enabled
- Cannot edit image in the text body in Web Presence Builder
- Web Presence Builder site does not work if document root is specified in Cyrillic
- How to create basic website design with Plesk
- Unable to publish WPB site to Facebook: Facebook has detected that Parallels Presence Builder isn't using a secure connection to transfer information