Technical Questions
Help articles related to Plesk migration, upgrades, databases ant etc.
Other
- How to subscribe on changes in Plesk Help Center articles / sections
- CVE-2019-11091, CVE-2018-12126, CVE-2018-12130, and CVE-2018-12127 Intel Processor MDS Vulnerabilities
- Nginx fails to start on Google Cloud with a 2nd NIC added
- How to disable email notifications about Kaspersky definitions update on a Plesk for Linux server
- Plesk admin hourly receives success emails from KAV update
- The service fails to start on a Linux server: service is masked
Plesk Service/Interface
- Watchdog Disks tab shows a blank page
- The domain cannot be unsuspended if the invalid status code is used
- Unable to import Wordpress site when it is in maintenance mode: HTTP request to 'https://example.com/' failed with 503 code
- Protocols are changed in Postfix settings after updating the SSL certificate for Mail Server in Plesk
- Plesk login does not show correct hostname in AWS
- Unable to open subscription in Plesk after disabling a domain in it via API: Domain Service Web not exists
Webserver
- Websites on PHP-FPM are unavailable or loading slowly: "server reached max_children setting" OR "pool seems busy"
- 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
- When Dedicates IIS Pool is switched off and then back on, Maximum CPU Usage (%) becomes Unlimited
- Setting "Document root" under Hosting Settings to existing folder results into wrong group permissions
Applications & Extensions
- WordPress Toolkit: Website not working after automatic update to WordPress 5.2
- "apt update" is not working on Plesk server with Ubuntu or Debian after installing PageSpeed Apache module using Google PageSpeed Insights extension: The repository 'http://dl.google.com/linux/mod-pagespeed/deb stable Release' is not signed
- The Plesk administrator receives the notifications: The Samba 'panic action' script, /usr/share/samba/panic-action was called for PID XX (/usr/sbin/smbd)
- Email notification is sent every day: The IP 203.0.113.2 was already used for trialing
- Support SSH Access extension cannot be opened in any localization except English or Russian
- Unable to activate domain in Plesk DigitalOcean DNS extension SOA records are not eligible for deletion
Backup, Restore & Migration
- Plesk Migration and Transfer Guide
- Backup stored in FTP storage is downloaded with size lower than 1KB
- Inconsistent behavior of FTP accounts when Plesk object is suspended
- Migration cannot be started if ECDSA Keys are used
- Unable to find the created backup created via CLI
- Checking "View the log" in Backup Manager shows blank page
Databases
- Unable to create object in Plesk: SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry for key 'PRIMARY'
- 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, 5.5.63: potential Unauthorized access
- Unable to connect to Plesk server via FTP to any account
Installation & Upgrade
- Unable to update Plesk on Debian/Ubuntu: E: Version '17.8.11-debian9.0.buildXXXXXXXXXX.XX' for '<plesk_package_name>' was not found
- Plesk update fails: No ODBC MySQL mysql drivers found, trying /usr/lib64/libmyodbc5a.so
- Website shows error after upgrading Plesk to Onyx: 500: Cannot add duplicate collection entry of type 'mimeMap' with unique key attribute
- PrivateTemp folder on a Plesk for Windows server is reset to default upon the upgrade
- Automatic Plesk upgrade to the latest stable version
- Cannot update plesk when DUMP_D is pointed to NFS4 share
- Emails sent from a Plesk server to mail services like Gmail, Outlook or Yahoo! Mail appear in spam. How to troubleshoot?
- Messages from whitelisted mail servers are rejected or quarantined by the Postfix mail handlers
- Cannot configure SmarterMail with Plesk if admin password contains special characters
- Mail address created in Plesk via API request with "No mailbox" status despite failed API response
- DKIM verification fails in sending from Office365: signature verification failed
- How to move all emails between folders of a mailbox without logging in to the mailbox on Linux with Dovecot
DNS & Statistics
- 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
- Why is it not possible to install DNSSEC extension for CentOS 6?
- Statistics calculation does not work in Plesk on Windows: Concurrency syncronization error
- Unable to authorize DigitalOcean DNS extension: client authentication failed due to unknown client
Website Builder
- 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
- Presence Builder icon is shown for domain while Presence Builder is disabled in Service Plan