Technical Questions
Help articles related to Plesk migration, upgrades, databases ant etc.
Plesk Service/Interface
- Unable to rename, remove, check or change permissions of "/tmp" directory on a Domain root directory from File Manager on Plesk for Windows
- Is it possible to customize the URL link in Domains > example.com > Mail > Mail accounts > Mail client setup?
- How to disable the Setup Wizard Link on Plesk interface?
- Pages in Plesk interface fail to load periodically: Serialization failure: 1213 Deadlock found when trying to get lock
- The sw-engine process causes high CPU usage on a Plesk server
- Menu "Extensions" in Plesk and/or extensions' menus fail to open: ERROR: Declaration of DI\CompiledContainer::get($name) must be compatible with DI\Container::get(string $id): mixed (CompiledContainer.php:41)
Other
- System updates fail to be installed on Plesk server with Ubuntu 24.04 OS and Imunify installed: The following signatures were invalid: 9EE467641C635726A184D64B8C55A6628608CB71 (untrusted public key algorithm: dsa1024)
- How to secure a Plesk server
- How to monitor usage of system resources in a period of time using atop
- How to diagnose a DoS/DDoS attack and find websites under attack on a Plesk server
- How to configure rate limiting for login attempts in Plesk?
- Why there are duplicate executables with different version in /usr/bin and /usr/local/bin?
Webserver
- How to block user-agents in Plesk Control Panel on Windows?
- How to block user-agents in Plesk Control Panel on Linux?
- Unable to connect to MSSQL using web.config: Cannot open database “ASPState” requested by the login. The login failed.
- How to update ImageMagick to version 7 in CentOS 7.9 in php 8.2?
- How to enable Step Debugger on PHP on a Plesk server?
- On WordPress website hosted on Plesk for Linux server, pagination buttons in WordPress Admin dashboard do not work as expected
Applications & Extensions
- Installing Grafana extension on Plesk server with Ubuntu 24.04 fails: The following signatures were invalid: 8BADC1A02FC9C07FB8C20EC0BD11A6AA914BDF7E (untrusted public key algorithm: dsa1024)
- Plesk Migrator migration from cPanel to Plesk server fails with error: That is a critical error, migration was stopped
- Which Node.js versions are available for installation in Plesk for Windows?
- PHP-FPM (FastCGI Process Manager) is reported as down after Plesk update
- Let’s Encrypt certificate issuance fails in Plesk for Kazakhstan-based hosts: Could not obtain directory: cURL error 52: Empty reply from server
- S3 backup fails: Unsupported header 'x-amz-checksum-crc32' received for this API call.
Backup, Restore & Migration
- Plesk migrator did not transfer more than one mail forward from a cPanel
- Unable to access Acronis Backup extension in Plesk: Cannot protect a device with assigned quota
- Unable to back up APS controller data. Error: resource of type aps.database with id not found by brokers
- High network traffic consumption when doing backup to AWS S3 Bucket
- How to force an incremental backup to run if previously incremental backup failed?
- Backup & Restore tool displays only one backup
Databases
- Can't install MariaDB in Plesk Windows: FATAL ERROR: Can't create data directory 'N:\MySQL-Data' (one or more intermediate directories do not exist)
- Cannot see remote MySQL/MariaDB database in Plesk Customer Panel
- MariaDB upgrade option is missing under Tools & Settings > Database Servers
- On a Plesk server with WP Toolkit, an unwanted prefix is added to the name of a cloned database
- Cannot use database upgrade tool or Performance Booster for MariaDB 11.4
- Can not connect to the database server: can't connect to mysql server on example.com (10061)
Installation & Upgrade
- Plesk update on Debian/Ubuntu fails: dpkg was interrupted, you must manually run 'dpkg --configure -a' to correct the problem
- Plesk update completes with a Warning: Information on some packages might not be actual: inconsistencies were detected in the system's package manager database
- How to perform dist-upgrade procedure on Linux server with Plesk?
- Unable to update Plesk : The following signatures were invalid: XXXXX (untrusted public key algorithm: rsa3072)
- What applications from the APS catalog are being deprecated in Plesk Obsidian 18.0.71?
- Problem updating Plesk using Ubuntu Landscape
- CVE-2025-49113 Vulnerability in Roundcube on Plesk servers
- An IP address of a Plesk mail server got blacklisted. How to troubleshoot?
- How to enable 2 step authenticantion (2FA) in SOGo webmail?
- Unable to create domain in Plesk: mailmng failed: Incorrect Content-Type: must be textual to extract_string, JSON to extract_json. at generateDKIMKeyPair(default, 2048)(SmarterMail::Common::Domain::generateDKIMKeyPair line 199)
- How to list all mailboxes, their size, mail quota and mailbox occupation?
- How to display hidden folders in roundcube webmail?
DNS & Statistics
- How to enable the local DNS zone for a Plesk domain?
- DNS bind service fails on a Plesk server after recent bind package update: loading from master file /var/named/chroot/var/0.13.203.in-addr.arpa.next failed: too many records
- How to track which file is being most downloaded on a website on a Plesk server?
- Why is it not possible to add a DS record to a root domain in Plesk?
- Unable to start BIND DNS server service on a server with Plesk for Debian/Ubuntu: option 'dnssec-enable' no longer exists
- How to disable the automatic "notify-to-soa yes" in named.conf for domains in a Plesk server?
Website Builder
- Error opening Site Builder: pm_Exception: You don't have permission to perform this action
- Sitejet Builder editing error: Can not access Sitejet Website Builder for this domain after migration.
- Unable to publish website created in Web Presence Builder: APIv1 is deprecated. Please, switch to the new APIv3
- Unable to find Web Presence Builder in Plesk Installer
- Does the Sitejet Builder replace the Web Presence Builder in Plesk?
- How can I move a website built with Sitejet to a new domain while maintaining the ability to update it with Sitejet?