Technical Questions
Help articles related to Plesk migration, upgrades, databases ant etc.
Other
- How to subscribe on changes in Plesk Help Center articles / sections
- How to add a new IP address to a Plesk server
- 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
- Multiple vulnerabilities in MySQL 5.7.25 and prior for Linux
- Unable to run API request under additional administrator account: Can not find client by login
Plesk Service/Interface
- sw-engine fails every 5 minutes: traps: sw-engine-fpm[819] general protection
- The message "Click Update to apply the changes to the DNS zone" disappears when sorting the titles in DNS settings
- When the time set manually in Plesk it adds +1 hour to the system time
- Output of checking external DNS service for the domain is poorly formatted when run through the web interface
- Watchdog Disks tab shows a blank page
- The domain cannot be unsuspended if the invalid status code is used
Webserver
- PHP errors after Plesk update: PHP Fatal error: Allowed memory size of 536870912 bytes exhausted (tried to allocate 999999999999 bytes)
- How to secure a Plesk hostname on port 8443 with an SSL certificate (Let's Encrypt / other certificate authorities)
- Webserver Configuration Troubleshooter detects extra configuration or shows a false positive report on the Home page
- The plesk-php7x-fpm service crashes during the reload after domain name change
- Apache restart shows: AH00543: httpd: bad user name if immutable bit is used
- CVE-2019-0211: Apache HTTP Server privilege escalation from modules' scripts
Applications & Extensions
- Email notification is sent every day from KernelCare cron task: The IP 203.0.113.2 was already used for trialing
- Plesk Mobile crashes on saving images
- Plesk Mobile app error: Unable to perform the operation. Requested action not taken. File unavailable (e.g., file not found, no access)
- Unable to activate Service node: The specified IP address cannot be used on network interface
- Unable to remove Wordpress instance via Applications: Permission denied
- Upgrade to WordPress 5.2.1 or higher results in warning: Declaration of WP_CLI\CoreUpgrader::download_package($package) should be compatible with WP_Upgrader::download_package($package, $check_signatures = false) in /usr/local/psa/admin/plib/modules/
Backup, Restore & Migration
- Plesk Migration and Transfer Guide
- Website with upper-case letters shows 403 Forbidden nginx error after migration
- When restoring mailbox from a backup, messages are restored only partially
- Local backup is not created when the option Save backups in the server storage if the upload to FTP fails is enabled
- Backup creation finishes with warning: The dump has wrong format! Failed to load XML document
- Cannot import database via Site import: ERROR 1045 (28000): Access denied for user 'user'@'localhost' (using password: YES)
Databases
- Error when running a query inside PHPMyAdmin in Plesk for Windows Server: unrecognized statement type (near lock)
- Unable to rename table in phpMyAdmin under Domain: Cannot read property 'substring' of undefined
- Websites show garbled characters after Plesk update
- Multiple Vulnerabilities in Oracle MySQL Server before 5.7.25, 5.6.43: potential Unauthorized access
- Unable to connect to Plesk server via FTP to any account
- 'undefined' is shown next to Database name when installing WordPress on subdomain
Installation & Upgrade
- All the websites show 504 Time-out after Plesk 17.8 #57 update or 'yum update'
- How to change or get the server hostname on Plesk server
- Unable to open the "Updates and Upgrades" page or start Plesk Installer in CLI: Update operation was locked by another update process
- 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?
- Emails are not delivered from external mail servers but maillog reports delivery status as "sent"
- Errors executing Sieve rules set in Webmail: failed to redirect message to : Failed to execute sendmail (temporary failure)
- Error messages in /var/log/maillog after uninstallation of Kaspersky Antivirus
- Mail configuration is applied to master.cf for alias with "mail services" disabled
- DMARC segfault errors in server logs: _mh_fork(): The child process with pid XXXXX killed by signal 11
- Messages from whitelisted mail servers are rejected or quarantined by the Postfix mail handlers
DNS & Statistics
- 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
- How to use DNS with a Plesk server
- 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)
- Why is it not possible to install DNSSEC extension for CentOS 6?
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