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Sites are not accessible: Error HTTP 500.0 - Internal Server Error

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Pablo Alvarez
Updated
Plesk for Windows kb: technical ABT: Group A

Applicable to:

  • Plesk for Windows

Symptoms

  • Trying to access a domain website shows the following error:

    HTTP Error 500.0 - Internal Server Error
    C:\Program Files\Parallels\Plesk\Additional\PleskPHP72\php-cgi.exe - The FastCGI process exited unexpectedly

  • Repairing permissions for C:\Windows\Temp has no effect

    C:\Users\Administrador>plesk repair --directory-permissions -directory "C:\Windows\Temp"
    Permissions were fixed for directory "C:\Windows\Temp"

  • Disabling opcache for the PHP version reported in the error fixes the problem

    opcache.png

Cause

One or more necessary cache files in C:\Windows\Temp are corrupted.

Resolution

  1. Connect to the server over RDP

  2. Remove all files from C:\Windows\Temp

  3. Restart IIS using a Command Prompt

    C:\>iisreset

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