Technical Questions
Help articles related to Plesk migration, upgrades, databases ant etc.
Plesk Service/Interface
- Unable to access Domains tab after Plesk upgrade to Plesk Obsidian 18.0.57: Cannot read properties of undefined (reading 'state')
- Which ports should be opened in the firewall on a Plesk server?
- An error is shown on different pages in Plesk: pm_Exception: attribute name is invalid: wapp
- Unable to reconfigure apache server.conf: RemoteIP: Error parsing IP RemoteIPInternalProxy
- Repair kit does not show statistics for disk IO in Plesk on Debian 12
- Unable to access into Extensions catalog in Plesk: Internal server error [Retry]
Other
- Сron sends Atomic notifications each hour after update to the latest Plesk Obsidian version: AIR_GAPPED set to yes. Skipping execution of awp_hourly
- Report a phishing website
- Imunify360 cronjob processes cause Plesk server resources overload: /var/run/defence360agent/simple_rpc.sock
- Vulnerability CVE-2023-44487
- CVE-2023-4911: Vulnerability in glibc's ld.so
- CVE-2023-4931: Vulnerability in Plesk Installer
Webserver
- How to secure a Plesk hostname on port 8443 with an SSL certificate (Let's Encrypt / other certificate authorities)
- How to disable specific ModSecurity rules in Plesk
- Enhancing Security with Apache Localhost Mode in Plesk 18.0.56 (PPP-43250)
- Nginx shows warning when running nginx -t: nginx: [warn] protocol options redefined for 203.0.113.2
- How to set Security Policy in Plesk via CLI?
- Plesk websites return Apache error 403 on May 26, 2023: client denied by server configuration
Applications & Extensions
- How to manage Plesk extensions (install, disable, remove, update)
- How to install SSL certificate purchased through Plesk online store
- How to create a website with Sitejet in Plesk?
- After Docker extension upgrade to 1.6.3 version all containers are automatically published to 127.0.0.1 on host
- Issuing a Let's Encrypt SSL certificate for subdomain returns an error: Failed to fetch domain certificate status data. Object not found: 0.
- WP Toolkit can not list plugins: Something went wrong. Cannot read properties of null (reading 'map')
Backup, Restore & Migration
- What backup solutions are available in Plesk and how to use them
- Cannot create/restore a backup of PostgreSQL database: Cannot run PostgreSQL client tools; make sure that they are installed
- Plesk Migrator error: Unable to connect: Authentication failed
- Unable to make database dump in Plesk: Unknown column 'generation_expression' in 'field list' (1054)
- Backups to Dropbox fail Plesk Obsidian update to 18.0.52: Unable to create the remote backup: (1): expected value
- Plesk backup to remote FTP fails: Unable to resume an interrupted upload: (28) Timeout was reached
Databases
- How to copy a MySQL database in Plesk
- MariaDB is not able to start: Got error '144 "Table is crashed and last repair failed"' for './mysql/global_priv'
- Unable to restore the psa database from dump: Data truncated for column 'event_type' at row X
- Database server list can't be accessed: 500 GraphQL Internal Server Error
- Unable to create a backup of PostgreSQL database: pg_dump: aborting because of server version mismatch
- Unable to clone or backup MSSQL database in Plesk: Property TextHeader is not available for StoredProcedure <...>. The text is encrypted
Installation & Upgrade
- How to upgrade Plesk to the next release
- How to update Plesk Obsidian to the latest build?
- Troubleshooting Common MariaDB Upgrade Issues
- Unable to update/upgrade Plesk: nothing provides ca-certificates >= 2022.2.54 needed by <package-name>
- How to upgrade Firewall configuration from Plesk Onyx to Plesk Obsidian?
- Cannot upgrade Plesk or install a package: dpkg: error processing package linux-image-generic - error 25 : Write error : No space left on device
- Best practices for sending outgoing mail from a Plesk server
- MailEnable webmail loads very slow or returns to the login form
- CVE-2023-5631 vulnerability in Roundcube
- How to change DKIM key value in Plesk without causing mail delivery outages
- Mailbox Size Limit in SmarterMail is not updated when changing mailbox size in Plesk
- Email header analysis reports SPF failed for localhost IP on mail sent from Plesk hosted mailbox: SPF Authentication : SPF Failed for IP - 127.0.0.1
DNS & Statistics
- How to use DNS with a Plesk server
- DKIM DNS records for domains are not generated if the BIND DNS server is not installed in Plesk
- Domain's DNS zone is not updated in Plesk: Uncaught PleskMultipleException: Error during example.com updateZone: dnsmng failed: in /opt/psa/admin/plib/Service/Dns/Connector/Plesk.php:14
- DKIM key not visible in How to configure external DNS section
- How to check propagation of DNS records for a Plesk domain?
- How to create TLSA DNS record in Plesk and adjust DANE?
Website Builder
- Unable to modify site with Web Presence Builder: We selected 'Europe/Berlin' for 'CEST/2.0/DST' instead
- Presence builder shows the error in Plesk Obsidian 18.0.50: Unable to connect to Web Presence Builder server. Please contact the server administrator.
- How to configure cookie conscent in Web Presence Builder for Plesk?
- Domains' tab is not accessible in Plesk: 500 SB_Facade_Exception_NotFound
- How to disable Google Fonts on a website hosted with Web Presence Builder?
- How to install Web Presence Builder 17.8.12 Standalone on Debian 10