Nextcloud WebDAV is showing 237GB available Storage but Server has 500GB

[/details]

Nextcloud version: 21.0.1
Operating system and version: Ubuntu 16.04
Apache or nginx version: Nginx 1.10.3
PHP version: 8.0

The issue you are facing:
Every works fine but when I mount the WebDAV url to my Windows Explorer it is not showing my amount of Space. (In my case 237GB but I have 500GB )

Is this the first time you’ve seen this error?: Yes

Steps to replicate it:

The output of your Nextcloud:

https://del.dog/yfidasusok

The output of your config.php file

<?php
$CONFIG = array (
  'instanceid' => 'id',
  'passwordsalt' => 'salt',
  'secret' => 'secret',
  'trusted_domains' =>
  array (
    0 => 'cloud.somedomain.de',
  ),
  'datadirectory' => '/var/www/nextcloud/data',
  'dbtype' => 'mysql',
  'version' => '21.0.1.1',
  'overwrite.cli.url' => 'https://cloud.somedomain.de',
  'dbname' => 'nextcloud',
  'dbhost' => 'localhost',
  'dbport' => '',
  'dbtableprefix' => 'oc_',
  'dbuser' => 'nextcloud',
  'dbpassword' => 'strongpassword',
  'installed' => true,
);

The output of your Apache/nginx/system log in /var/log/:

https://del.dog/ihanyrupem

Please help, thanks

Maybe Windows can’t handle it? It also has a limitation of 2 GB filesize for WebDAV network folders.