Backup restoration in Plesk finishes with a warning: Utility returns not valid response: 504 Gateway Time-out

Symptoms

• Backup restoration in Plesk finishes with a warning:

  Warning: Restore hosting "example.com"
  Utility returns not valid response: [html]
  [head][title]504 Gateway Time-out[/title][/head]
  [body]
  [center][h1]504 Gateway Time-out[/h1][/center]
  [hr][center]nginx[/center]
  [/body]
  [/html]

• The Subscription from the warning contains a lot of domains (~300).

Cause

Timeout reached during the restore background command execution. Default timeout is 10 min and operation takes about an hour.

Resolution

1. Connect to a Plesk server via SSH.

2. Open the configuration file /etc/sw-cp-server/config. Vi editor can be used.

3. Adjust the parameter values of fastcgi_read_timeout and fastcgi_send_timeout:

   • From 10 minutes:

     fastcgi_read_timeout 600;
     fastcgi_send_timeout 600;

   • To 2 hours:

     fastcgi_read_timeout 7200;
     fastcgi_send_timeout 7200;