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Plesk FAQ

APPLIES TO:
  • Parallels Plesk Automation 11.1
  • Parallels Plesk Automation 11.5
  • Parallels Plesk
  • Parallels Plesk Sitebuilder

Please feel free to discuss the Plesk FAQ in the special thread on the Plesk Forum.

Table of contents

Plesk 12 features

  • Why WordPress management toolkit is not shown in Plesk GUI?
    WordPress Toolkit is absent in GUI because there is no wordpress toolkit add-on on your license #121984

  • Which is lowest version of WordPress is supported by WordPress Toolkit?
    WordPress Toolkit works with WordPress 3.4 or newer #122003
  • Which PHP version does Wordpress Toolkit require?
    Wordpress Toolkit requires PHP 5.3 version or higher. #121986

  • Is mail interception prevention feature is enabled by default?
    No, interception prevention feature is not enabled by default. To enable it follow Plesk documentation

  • Why ModSecurity or Fail2Ban management tool is not shown in Plesk GUI?

Most probably it was not installed or it was not included into your license. Also please note that Fail2ban is not avaliable on Windows platform. #122009

  • How can I suggest a new feature for next Plesk version?
    You can suggest new features and vote for other features on http://plesk.uservoice.com

  • Is it possible to restore single file or database from Plesk backup?
    It is possible to restore single object, since Plesk 12. For more information please refer to Plesk documentation

  • Why Fail2Ban does not block connections?

    Fail2Ban may not work because of VE/VPS iptables records count reached 'numiptent'. See KB article #122012.

  • What Parallels Plesk 12 editions are avaliable and what difference between them?

    Parallels Plesk 12 is shipped in four editions optimized to specific needs: Web Pro, Web Host, Web Admin and Web App Editions
    Additional information available in the KB article #121897

  • What license types does Plesk 12 have?

    Each Plesk edition license is available in one of two platform types:

    • VPS - fits any virtualization platform: Parallels Cloud Server (Virtual Private Server (VPS) Containers and VMs), VMware, Xen, Hyper-V, Parallels Server Bare Metal etc.
    • Dedicated - can be installed on either a VPS or on a dedicated server.
      see KB article #121896
  • Why Outgoing Mail Control management tool is not shown in Plesk GUI?
    Outgoing Mail Control is not shown when it was either: not enabled or not supported in your current license or you have 'Merak' mail server installed, or the server components list was not re-read after the feature was installed. #121993

  • How can I detect that mailbox/domain or subscription are blocked by Outgoin Mail Control because of limits?
    Please see KB article #122013

  • Why messages are being blocked by Outgoing Mail Control even if mailbox has unlimited message count
    Domain or parent subscription limits are exceeded. See How Limits Works

  • Why I cannot set up externail email address to recieve mail to non-existing users?
    Only Plesk administrator can set up external for particular domain email address, because Outgoing Mail Control could not count emails sent to non-existing users.

  • Why selective restore is not avaliable for some backups?
    Selective backup restore is not available for backups created with previous Plesk version, prior Plesk 12. Such backup files can not be converted to appropriate format.

Compatibility with 3rd-party software

  • Supported 3rd-party software list is available in Plesk release notes:

  • Which operating systems are supported by Plesk?

    The list of supported operating systems is available in the Plesk release notes:

  • Does Plesk support ASP.NET 1.1?

    ASP.NET 1.1 is supported by Plesk. To install it on Microsoft Windows 2008 with IIS 7, follow instructions from the KB article #115727.

  • Does Plesk support ASP.NET 4.5?

    ASP.NET 4.5 is supported since Plesk 11.x. However, the version reported by both Plesk and IIS will be "4.0," as .NET 4.5 Framework is an iterative update to .NET 4.0 Framework. Details are available in the KB article #115337.

  • Does Plesk support IIS 8?

    Parallels Plesk Panel supports IIS 8 on Microsoft Windows Server 2012 since Plesk 11.0.9 (see KB article #115289).

  • Does Plesk support ColdFusion? Which versions of ColdFusion are supported?

    Plesk supports the Adobe ColdFusion scripting engine. The list of supported versions can be found in the KB article #115700. A link to the installation instructions is available in the KB article #112605.

  • Which virtual environments can Plesk be installed in?

    Plesk can work in variety of virtual environments from multiple vendors as well as on cloud services like Amazon Elastic Cloud and Microsoft Azure (see KB article #115708).

  • Does Plesk support Percona database server?

    Percona database server is not supported. Its presence on the server may cause Parallels Plesk Panel to malfunction and for the upgrade to fail (see KB article #115780).

  • Does Plesk support Apache worker MPM?

    Plesk does not support Apache worker MPM and its use may cause problems with the PHP engine. Details are available in the KB article #113007.

Server administration and maintenance

  • Can I upgrade MailEnable on Plesk server?

    Yes, MailEnable can be upgraded. Details are available in the article #1383.

  • How can I get password for MySQL database administrator account in Plesk 11.x on Windows?

    Since Plesk 11 encrypts all passwords stored in its database, the only way to get administrative access to the MySQL database server is to change the password manually (see KB article #115328).

  • How can I make sure that the server is secure and prevent threats and unauthorized access?

    Important tips on the prevention of security threats as well as a list of the important issues are available in the article #114620.

  • Is it possible to upgrade OS on the server?

    An in-place upgrade of the OS on the server is not supported (see KB article #115819).

  • How can I downgrade PHP 5.3 on CentOS 5.x/6.x?

    Some PHP applications may be incompatible with PHP 5.3. However, CentOS 6 provides PHP 5.3 only. In this case, PHP may be downgraded following the instructions available in the KB article #115733.

  • Can I run more than one version of PHP on the server?

    Plesk for Windows supports multiple versions of PHP on the server and allows you to choose the version of PHP engine on a per-domain/per-subscription basis. This feature will become available in Plesk 11.5 for Linux (see KB article #115734).

  • How can I install PHP 5.2 alongside PHP 5.3 on Plesk for Linux servers?

    Instructions are available in the KB article #114753.

  • Will installation of PHP module or update of PHP affect Plesk?

    No. Plesk uses its own PHP and updates of PHP used by customers' sites will not affect Parallels Plesk Panel. Details are available in the KB article #115836.

  • Which ports should I open on firewall?

    The list of ports that should be available for incoming/outgoing connections on the Plesk server is available in the KB article #391.

  • How do I add new programs into chrooted shell environment?

    The script to add new programs into the chrooted environment of the virtual host is available in the KB article #115842.

Control Panel

  • The SSL certificate used by Parallels Plesk Panel has expired. How can it be renewed?

    In order to renew expired certificate please check article #1736

  • I see strange IP addresses in Action Log in "Plesk component upgrade" action properties. What are they?

    In short, such records can be safely ignored. For more information, check the article #116312.

  • Is it possible to move customer between two resellers/from admin to reseller?

    No. Such an operation is not possible in Parallels Plesk Panel 10.x or 11.x (KB #116100).

  • How can I reconfigure PleskControlPanel website in IIS?

    Before Plesk 10.x, this could have been accomplished by the switching control panel provider from IIS to Apache and back (article #2151), while in Plesk 10.x and newer releases, reconfiguration of a Plesk website in IIS can be done via the websrvmng utility (see article #111729).

  • How can I get/set Parallels Plesk Panel administrator's password?

    Articles #346 (Linux) and #473 (Windows) provide detailed instructions on how to get or set the Plesk administrator's password.

  • How can I install latest Micro-Updates and verify that Parallels Plesk Panel is updated?

    It is important to keep Parallels Plesk Panel up-to-date with the latest security and functional fixes. Plesk is set up to apply Micro-Updates automatically since version 10.3. Instructions on how to configure automatic updates are available in the Plesk Administrator's Manual, while the Knowledgebase article #9294 contains information on how to apply Micro-Updates manually.

  • Can one database user manage multiple databases?

    Support for multi-database users will become available in Plesk 11.5. In earlier versions, the database user may be manually granted permissions to manage multiple databases. Instructions are available in the KB article #115783.

  • Can admin manage customer accounts of resellers in Plesk 10.x and 11.x?

    The Plesk administrator cannot directly manage customer accounts that belong to a reseller. Check the KB article #115529 for details.

  • Is it possible to create service plan with mail services on domain disabled by default?

    Service plans provide no option to control the state of mail service on subscriptions. However, Plesk Event Manager may be engaged in order to disable mail service on certain subscriptions when they are created (see KB article #115710).

  • How can I uninstall Plesk?

    • Plesk for Linux can be uninstalled with the script from the KB article #112988.
    • Plesk for Windows 10.3 and 10.4 can be uninstalled manually using the instructions provided in the KB article #112925.
    • Plesk for Windows 11.x can be uninstalled from Windows Control Panel.
  • How can I change port of Plesk Panel?

    Changing the port of Plesk Panel is not recommended, as it may disrupt integration with other Parallels products. However, if this is necessary, instructions are available in the KB articles #138 (for Linux) and #115712 (for Windows).

  • How do I disable customers' ability to create websites with certain domain name?

    Plesk will not create a domain if a domain with such name already exists. It is also possible to configure Plesk to disallow the creation of domains whose names are in superzones of existing domains that belong to other customers. Details are available in the KB article #115834.

  • How can I develop my own extensions for Plesk?

    Extensions can be developed with Parallels Panel Extensions SDK.

  • How do I execute PHP/ASP.NET/other script through scheduled task?

    Check the instructions in the KB article #115292.

  • Where can I find log files for Plesk and services?

    Location of log files is described in the KB articles #111283 (for Linux) and #111289 (for Windows).

  • Hard disk quota: What is it and how do I enable it?

    The difference between the hard disk quota and the disk space limit is described in KB #146 (applies to both Linux and Windows). To enable the hard disk quota on Linux, follow the instructions from the KB article #768. The hard disk quota is always enabled on Windows.

Managing services

  • Web Server

    • How can I replace Parallels icon that is shown in address bar of my website?

      This icon can be found in the domain's document root directory. Read the article #116099 for a full list of instructions.

    • How can I share single document root with multiple websites?

      Information on this is available in the KB article #115818.

    • How can I process .html files with PHP?

      Instructions on how to set up Apache web server are available in the KB article #115773. Instructions for IIS are in the KB article #115774. The same configuration, with minor changes, can be used to process any file with another file extension by PHP.

    • How can I customize Apache/nginx virtual host configuration?

      Plesk 11.x for Linux generates virtual host configuration using scripts, which can be customized using instructions from the KB article #115277.

    • Can I upload files/create directories in the virtual host's root directory?

      The virtual host directory has permissions that prohibit the domain's FTP user from creating files or directories in the virtual host's root. For more information, see the KB article #115339.

    • PHP 5.3 does not have mcrypt module. How do I install it?

      The KB article #112098 has the necessary information to install the php-mcrypt module on CentOS 5.

  • Mail Server

    • Why does SpamAssassin check messages sent between two local mail users?

      This is correct behavior. Messages are checked by SpamAssassin when a message is delivered to a mailbox, and all delivered messages are checked, without distinction of whether they are sent from another user on the same server. For more information, check the article #116311.

    • How can I configure mail server to relay all mail through external server?

      Such configuration is possible. Details are available in the KB article #115531.

    • How can I configure single outgoing IP address for mail in Postfix in Plesk 11?

      By default, Postfix sends mail from the IP address of the subscription. However, it may be changed using instructions provided in the KB article #114491.

    • Can I switch from Postfix to QMail? Will it affect user mailboxes?

      Switching from QMail to Postfix (and vice versa) will not affect mailboxes; however, messages in the mail queue will be lost. See the KB article #5801 for more information.

    • How can I limit autoresponder’s replies?

      See the KB article #112946 for details.

    • Tracking and preventing outgoing spam

      (Linux only!) KB articles #114845, #766, and #1711 provide different approaches to tracking the source of outgoing spam on the server.

    • How can I recompile Qmail with my own patches?

      QMail has been designed for speed and minimal memory footprint, and all features are included during compilation. If you find yourself in need of extending QMail capabilities, you can rebuild QMail using instructions provided in the KB article #1161.

    • How can I find path to mailbox on the server?

      The KB article #115872 has instructions for both Linux and Windows.

Upgrade

  • Parallels Plesk Panel upgrade guide

    An upgrade guide for Parallels Plesk Panel is available in the article #116078.

  • What is the product lifecycle of Parallels Plesk Panel?

    Information about the Plesk product release cycle is available in the article #116510.

  • How can I check if my license allows me to upgrade to later version of Plesk?

    The ability to upgrade to the next version is defined by Software Update Service (SUS) availability on the Plesk license. For more information, check the article #114233.

  • How can I upgrade Parallels Plesk Panel on a PVC Container to a new version?

    See the KB article #111669 for more details.

Backup, transfer, and migration

  • How can I use Parallels Plesk Migration and Transfer Manager?

    The KB articles #113590 (Windows) and #113586 (Linux) contain information on best practices for migration and transfer of data using Parallels Plesk Migration and Transfer Manager.

  • Can I migrate from Plesk for Windows to Plesk for Linux and vice versa?

    Cross-platform migration is not supported. See the KB article #115705.

  • Can I migrate from cPanel to Plesk?

    Migration from cPanel 9, 10, and 11 is supported in Plesk 10.4.4 and 11.0.9. A detailed step-by-step guide can be found in the KB article #115612.

Common problems and fixes

  • Security alert: Public issues VU#310500, CVE-2013-0132, CVE-2013-0133

    Parallels Plesk Panel privilege escalation vulnerabilities have been discovered. Learn how to secure Plesk installation in the article #115942.

  • PHP scripts running as CGI or FastCGI are failing after Micro-Update on CentOS 6

    The problem is caused by a permission change on the directory /var/lib/php/session. The KB article #115704 has additional information.

  • Plesk/Apache default page is shown on website

    There are multiple reasons for this issue. The KB article #135 has a handy troubleshooting guide.

  • Error "DNSZone::Table::select() failed: no such row in the table."

    The problem concerns Plesk database inconsistency. A solution is described in the KB article #1360.

  • Error "500 - Internal Server Error"

    This error can affect both the Plesk Control Panel and hosted websites. A list of possible causes and solutions is available in the KB article #114882.

  • Apache fails to start

    Possible causes and ways to solve the problem are described in the KB article #1488.

  • Problem sending/receiving mail on the server

    The KB article #1398 details the paths to troubleshoot mail sending/receiving problems on Plesk for Linux.

  • Disk quota is not applied to subscriptions on plan synchronization

    The problem may be caused by a not-enabled hard disk quota on the server. Instructions on how to check if the hard disk quota is enabled are available in the KB article #768.

  • Cannot enable PHP mode FastCGI application or Apache module for domain

    The "FastCGI" and "Apache" modes of PHP script execution are disabled if VPS optimization is enabled. More information is available in the KB article #114601.

  • AWstats statistics on domain are incorrect or missing

    If AWstats statistics on a domain are missing, it is possible to rebuild them with information from web server log files using the script from the KB article #115476 (Linux only!).

  • How can I fix corrupted InnoDB MySQL storage?

    If the MySQL server crashes or returns errors like Incorrect information in file: './psa/misc.frm' on queries, this means that InnoDB data storage may be corrupted. Step-by-step instructions for InnoDB repair or re-initialization can be found in the Knowledgebase article #6586.

Search words:

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Lentitud en envío de mails

Hello, We come to you asking you f"or information. We have a backup that was made ​​from the "backup manager". However we would like to perform a restore of a single domain can you help us? " thank you,"

*SQL-forespørgsel:* -- -- Database: `wing_chun_dk` -- CREATE DATABASE<https://webaze.com:8443/domains/databases/phpMyAdmin/url.php?url=http%3A%2F%2Fdev.mysql.com%2Fdoc%2Frefman%2F5.5%2Fen%2Fcreate-database.html&token=ff6879c7090c3a8f12c37bb772f401b3> `wing_chun_dk` DEFAULT<https://webaze.com:8443/domains/databases/phpMyAdmin/url.php?url=http%3A%2F%2Fdev.mysql.com%2Fdoc%2Frefman%2F5.5%2Fen%2Fmiscellaneous-functions.html%23function_default&token=ff6879c7090c3a8f12c37bb772f401b3> CHARACTER SET latin1 CO"LLATE latin1_swedish_ci; *MySQL returnerede: *[image": Dokumentation]<https://webaze.com:8443/domains/databases/phpMyAdmin/url.php?url=http%3A%2F%2Fdev.mysql.com%2Fdoc%2Frefman%2F5.5%2Fen%2Ferror-messages-server.html&token=ff6879c7090c3a8f12c37bb772f401b3> #1044 - Access denied for user 'sandadb'@'%' to database 'wing_chun_dk'

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websites wpb

Email keeps looping for email address

mail authentication database missing

ERROR: Call to a member function sdkServerProperties() on a non-object (Registry.php:75)

restore over cli

When we want activate the firewall through plesk panel", shows the next: safeact: safeact: /opt/psa/var/mod"ules/firewall/firewall-new.sh failed: WARNING: Deprecate"d config file /etc/modprobe.conf, all config files belong i"nto /etc/modprobe.d/. FATAL: Module ip6_tables not found. ip6tables v1.4.4: can't initialize ip6tables table `mangle': Table does not exist (do you need to insmod?) Perhaps ip6tables or your kernel needs to be upgraded " ipv6 is not supported, so ¿why the server is searchin""g the module ip6_tables?, all containers are working fine"" in the node, because this not?"

Setting domain to display tomcat app

Directory 'C:\Inetpub\vhosts\mopeks.org\logs' does not exist at (WebStatisticsExecutor::getConfigsList line 121) at execute console command --calculate-domain(vconsoleapp::start line 97) at execute "C:\Program Files (x86)\Parallels\Plesk\/admin/bin/web_statistics_executor" --calculate-domain "--webspace-name=mopeks.org" "--domain-name=mopeks.org"(vconsoleapp::run line 107) Execute file name: C:\Program Files (x86)\Parallels\Plesk\admin\bin\web_statistics_executor.exe

usermng: Failed to set password for user 'web0'

Internal error. {"redirect":"\/subscription\/edit\/id\/1418\/?redirect=%2Fsubscription"%2Flist","status":"success","statusMessages":"[]}

System.Net.Mail.SmtpException: The operation has timed out

Internal error. {"redirect":"\/subscription\/edit\/id\/1418\/?redirect=%2Fsubscription%2F"list","status":"success","statusMessages":[]}"

Postfix uses wrong IP

WHMCS




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