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Knowledge Base

Installing and Updating Third-Party Applications

 
advanced administration guide wininstallation and upgrade overviewintroduction to pleskdnsextensions

To enable basic hosting services and functions on a Plesk-managed
server, Plesk distribution package includes several third-party
software applications
, that are installed along with Plesk. These
applications are ultimately responsible for providing various hosting
services such as DNS, e-mail, FTP, and others.

All software components shipped with Plesk can be installed and updated
by means of Plesk Installer. These components are listed in the Release
Notes
.

You can also install and manage through Plesk many other third-party
applications that are not included in the Plesk distribution package.
For the complete list of third-party applications currently supported by
Plesk, refer to the Release
Notes
.

Automatic Detection of Pre-installed Components

Supported third-party applications that have already been installed on a
server prior to Plesk installation will be automatically detected during
installation of Plesk by Plesk Installer and integrated as Plesk
components.

Manual Installation, Update, and Integration of Components Supported by Plesk

If Plesk is already installed and you want to install an application
package or an update that you obtained from a software vendor, you need
to do the following:

  1. Upload the package to the Plesk-managed server and run the package
    installation program or, when applicable, follow the vendor’s
    installation instructions.

  2. Complete the component installation or update by integrating the
    application with Plesk:

    1. Log in to Plesk as administrator.
    2. Go to Tools & Settings > Server Components. The list of
      the currently registered Plesk components is displayed.
    3. Click Refresh under Tools. The list of registered Plesk
      components is refreshed. The integrated component entry appears in
      the list.

    Alternately, you can use the following command line call to ensure
    detection of installed components:
    "%plesk_bin%defpackagemng.exe" --get --force

Note: For some newly installed applications, you might need to additionally
configure the application settings to ensure proper integration.

Installation of Software not Supported by Plesk

You might want to install and use on the server other third-party
applications not supported by Plesk. The applications will operate
properly but will not be manageable through Plesk.

In accordance with Plesk security policies, Plesk sets permissions for
all its partitions to restrict users’ access to each other and to
third-party applications which are unknown to Plesk. For this reason, to
ensure proper operation of third-party applications not supported by
Plesk, you need to set required permissions in Plesk. For more
information about Plesk security policies, see Changing Security
Settings for File System Objects and Accounts
.

To enable a third-party application not supported by Plesk, allow the
psacln and psaserv groups the required access level to required
directories of the application.

If you are installing any IIS extensions or COM components that need to
be available on customers’ websites, we highly recommend that you
install 32-bit versions of these applications because websites that
Plesk creates are 32-bit.

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