Technical Questions
Help articles related to Plesk migration, upgrades, databases ant etc.
Other
- How to subscribe on changes in Plesk Help Center articles / sections
- Unable to install Wordpress from APS catalog: The PHP handler is not registered
- Wordpress Toolkit can be installed twice from the extension catalog
- The Wordpress Toolkit installed on the server without PHP and Mysql
- Unable to change forwarding type via XML-API: 2204 Domain Service Web not exists: domain
- Multiple vulnerabilities in MySQL 5.7.25 and prior for Windows
Plesk Service/Interface
- Unable to set email aliases via XML API
- IP Access Restriction Management screen is empty on Plesk Obsidian RC2: Uncaught SyntaxError: Unexpected token }
- Plesk web access statistics is not accessible 401.3 - Unauthorized
- Unwanted folder "etc/" exists in domains vhost directory
- Notifications are sent to the Pkesk administrator even though the admin is excluded from receiving notifications in Tools & Settings > Notifications
- Client status creation or update via REST API does not register the external_id value on Plesk database
Webserver
- Apache keeps going down on a Plesk server: server reached MaxRequestWorkers setting
- Websites on PHP-FPM are unavailable or loading slowly: "server reached max_children setting" OR "pool seems busy"
- How to secure a Plesk hostname on port 8443 with an SSL certificate (Let's Encrypt / other certificate authorities)
- After switching a WordPress website to FPM served by nginx in Plesk, it fails to load with "404 Not Found" on all pages except start page
- PHP errors after Plesk update: PHP Fatal error: Allowed memory size of 536870912 bytes exhausted (tried to allocate 999999999999 bytes)
- The plesk-php7x-fpm service crashes during the reload after domain name change
Applications & Extensions
- Plesk update fails: GPG error: The following signatures couldn't be verified because the public key is not available
- Database users not migrated from cPanel to Plesk
- Joomla! Toolkit Health Check always shows: Down: unknown or erroneous cURL option 'CURLOPT RESOLVE' set
- Cannot transfer files with Japanese locale in name using Site Import: The file was not transferred. Check that you have sufficient permissions to read the file or transfer the file manually
- Let's Encrypt fails to issue a certificate with the following error: The example.com DNS zone contains an AAAA record, but the domain is not assigned an IPv6 address in Plesk.
- Plesk repair utility shows the error for wildcard domain: File not found: _.example.com.conf
Backup, Restore & Migration
- Plesk Migration and Transfer Guide
- Unable to export mysql database in Plesk GUI: mysqldump: Error 2020: Got packet bigger than 'max_allowed_packet' bytes when dumping table
- Migration from large cPanel instances using GUI works slowly
- Restoration of main WordPress site on the subscription will restore databases for all WordPress domains on the subscription even if these domains were not selected for restoration
- All the databases of subscription are restored during a main site restoration despite not being chosen
- Cannot migrate subscription with uppercase letter in name: Failed to copy web files for subscription 'Example.com'
Databases
- Unable to create object in Plesk: SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry for key 'PRIMARY'
- 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?
- Unable to manage database users in Plesk: The user specified as a definer ('root'@'localhost') does not exist
- Error when running a query inside PHPMyAdmin in Plesk for Windows Server: unrecognized statement type (near lock)
Installation & Upgrade
- How to install Plesk for Linux
- mirrorctl show-all-releases fails with No such file or directory
- All the websites show 504 Time-out after Plesk 17.8 #57 update or 'yum update'
- Plesk installations fails: MD5 forbidden in FIPS mode
- Deprecated functionality in Plesk Obsidian 18.0
- How to install Plesk on Amazon Lightsail via Plesk Web Installer?
- Cannot disable Mail service for subscription when Mailboxes value is set to 0
- Creating mailbox aliases is also creating folders and sub-folders
- Unable to set SNI certificates for mail (Postfix) using Let's Encrypt certificates
- MSMTP: localhost instead of server hostname in 'Received' header
- dk_check fails on bounce messages: cannot get sender domain
- Emails are not delivered from external mail servers but maillog reports delivery status as "sent"
DNS & Statistics
- How to use DNS with a Plesk server
- 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
- CVE-2018-5743: BIND DNS Server's limiting simultaneous connections of TCP clients is ineffective
- Unable to add a CNAME record: The specific domain name is not valid, you need to specify a valid domain name
- The DNS service goes down when the system is low on memory (RAM)
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
- Web Presence Builder cannot restore a shanshot: Read error: Bad file descriptor
- How to create basic website design with Plesk