Plesk shows 500 Internal Server Error: The FastCGI process exited unexpectedly

Created:

2016-11-16 13:20:57 UTC

Modified:

2017-08-08 13:13:47 UTC

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Plesk shows 500 Internal Server Error: The FastCGI process exited unexpectedly

Applicable to:

  • Plesk 12.5 for Windows

Symptoms

It it not possible to login Plesk after upgrade: "HTTP Error 500.0 - Internal Server Error"

HTTP Error 500.0 - Internal Server Error
C:\\Program Files\\Parallels\\Plesk\\Additional\\PleskPHP54\\php-cgi.exe - The FastCGI process exited unexpectedly


Detailed Error Information:
Module FastCgiModule
Notification ExecuteRequestHandler
Handler PleskEngine-FastCGI-php
Error Code 0xffffffff
Requested URL https://localhost:8443/index.php
Physical Path C:\\Program Files (x86)\\Parallels\\Plesk\\admin\\htdocs\\index.php

Cause

The root cause of the issue is that PHP package for Plesk is not upgraded.

Resolution

  1. Download from autoinstall-win.plesk.com and unpack plesk-engine.msi , plesk-service-node-utilities.msi packages as follows:

    msiexec /a path_to_package\\plesk-engine.msi TARGETDIR=C:\temp\\ /qn
    msiexec /a path_to_package\\plesk-service-node-utilities.msi TARGETDIR=C:\temp\\ /qn
  2. Create a backup of %plesk_bin% directory.

  3. Replace not upgraded binaries with unpacked ones in %plesk_bin% directory.

    cd %plesk_bin%
    copy "C:\temp\\Program Files\\Parallels\\Plesk\\admin\\bin\\php.exe"
    copy "C:\temp\\Program Files\\Parallels\\Plesk\\admin\\bin\\php.dll"
    copy "C:\temp\\Program Files\\Parallels\\Plesk\\admin\\bin\\php-cgi.exe"
    copy "C:\temp\\Program Files\\Parallels\\Plesk\\admin\\bin\\phpcfg.exe"
  4. Restart Plesk Management Service.

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