Article ID: 127748, created on Dec 12, 2015, last review on Feb 17, 2016

  • Applies to:
  • Plesk 12.0 for Linux
  • Plesk 12.5 for Windows
  • Plesk 12.0 for Windows
  • Plesk 11.0 for Windows


Plesk login fails with the following error:

HTTP Error 500.0 - Exception
The page cannot be displayed because an internal server error has occurred
Detailed Error Information
Error Code

The following can be found while executing "%plesk_bin%\ai.exe" --console command:

Preparing Your System for Product Installation
There are 2 packages required for the product to function properly, which
were not found in your system.

There are 14 packages that need to be upgraded
in order to install the product.


Some of Plesk packages were not installed or updated properly.


  1. Install / update missing packages using command:

    "%plesk_bin%\ai.exe" --console

    Packages that were not properly installed will be marked with an asterisk symbol like below:

    1. [*] Base packages of Plesk <- Some of packages were not installed
    2. [*] Plesk                  <- Some of packages were not installed
    3. [=] AWStats                <- Component is installed
  2. If there were no packages marked with an asterisk found reinstall Plesk microupdates using the following command:

    "%plesk_bin%\ai.exe" --select-product panel --select-release-current --reinstall-patch --install-component base

Search Words

internal server error 500

HTTP Error 503. The service is unavailable.

500 internal server error

500 - Internal server error. There is a problem with the resource you are looking for, and it cannot be displayed.

http 500 error interno del servidor

500 - Internal server error.


ERROR: Call to undefined method CommonPanel_Controller_Helper_OutgoingMail::getServerInconsistentValuesWarningMessages() (mail.php3:404)

500 error after logging into plesk

8b661cab116c79dbe6c4ac5bbdf1c8cb 56797cefb1efc9130f7c48a7d1db0f0c a914db3fdc7a53ddcfd1b2db8f5a1b9c 85a92ca67f2200d36506862eaa6ed6b8 a766cea0c28e23e978fa78ef81918ab8 ed7be2b984f9c27de1d2dc349dc19c6d 29d1e90fd304f01e6420fbe60f66f838 2a5151f57629129e26ff206d171fbb5f e335d9adf7edffca6a8af8039031a4c7 514af229ae32522202a910a2649c80fb bd7fc88cf1b01f097749ae6f87272128

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