Sites running PHP 5.6 are not working: No input file specified

Symptoms

• Browsing website running PHP 5.6 fails with following error message:

  No input file specified.

• Same error is shown accessing PHP info file http://example.com/phpinfo.php with following content:

  <?php
   phpinfo();
   ?>

• Executing manually PHP file from a Command Prompt opened as an Administrator works correctly:

  C:> “%plesk_dir%AdditionalPleskPHP56php-cgi.exe” “C:InetPubvhostsexample.comhttpdocsphpinfo.php”

• Directory C:InetPubvhosts is mapped into a new drive.
  Opening C:InetPub folder path in Windows exporer > Right click on vhosts directory > Properties and folder type will be shown as a Mounted Volume:

  

• Access Denied errors are shown in php.exe processes with ProcMon utility, setting following filters:

  ​

Cause

Incorrect permissions on Plesk vhosts directory C:InetPubvhosts in a mounted volume.

Resolution

1. Connect via RDP
2. Open C:InetPub path in Windows explorer
3. Right click on vhosts directory, then Properties > Security > Advanced, and be sure that the permissions for C:InetPubvhosts directory are set as follows:

   

4. Open C:InetPub path in Windows explorer
5. Right click on vhosts directory > Properties > Properties (next to Mounted Volume type) > Security > Advanced, and be sure that the permissions for mounted volume are set as follows: