Support intro
Sorry to hear you’re facing problems 
help.nextcloud.com is for home/non-enterprise users. If you’re running a business, paid support can be accessed via portal.nextcloud.com where we can ensure your business keeps running smoothly.
In order to help you as quickly as possible, before clicking Create Topic please provide as much of the below as you can. Feel free to use a pastebin service for logs, otherwise either indent short log examples with four spaces:
example
Or for longer, use three backticks above and below the code snippet:
longer
example
here
Some or all of the below information will be requested if it isn’t supplied; for fastest response please provide as much as you can 
Nextcloud version 18.0.3:
Operating system and version Ubuntu 18.04.4:
Apache or nginx version Apache 2.4.29:
PHP version 7.2:
The issue you are facing:
This message on the main screen
We have detected multiple invalid login attempts from your IP. Therefore your next login is throttled up to 30 seconds.
Is this the first time you’ve seen this error? (Y):
Only installed the system today
Steps to replicate it:
The output of your Nextcloud log in Admin > Logging:
PASTE HERE
The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):
<?php
$CONFIG = array (
'passwordsalt' => '',
'secret' => '',
'trusted_domains' =>
array (
0 => 'localhost',
1 => '192.168.1.50',
2 => '',
3 => '',
),
'datadirectory' => '/mnt/ncdata',
'dbtype' => 'pgsql',
'version' => '18.0.3.0',
'overwrite.cli.url' => '',
'dbname' => 'nextcloud_db',
'dbhost' => 'localhost',
'dbport' => '',
'dbtableprefix' => 'oc_',
'dbuser' => 'ncadmin',
'dbpassword' => '',
'installed' => true,
'instanceid' => '',
'upgrade.disable-web' => 'true',
'log_type' => 'file',
'logfile' => 'Finding nextcloud.log...',
'loglevel' => '2',
'mail_smtpmode' => 'smtp',
'remember_login_cookie_lifetime' => '7200',
'log_rotate_size' => '10485760',
'trashbin_retention_obligation' => 'auto, 180',
'versions_retention_obligation' => 'auto, 365',
'simpleSignUpLink.shown' => 'false',
'memcache.local' => '\\OC\\Memcache\\APCu',
'filelocking.enabled' => true,
'memcache.distributed' => '\\OC\\Memcache\\Redis',
'memcache.locking' => '\\OC\\Memcache\\Redis',
'redis' =>
array (
'host' => '/var/run/redis/redis-server.sock',
'port' => 0,
'timeout' => 0.5,
'dbindex' => 0,
'password' => '',
),
'logtimezone' => 'Europe/London',
'htaccess.RewriteBase' => '/',
'share_folder' => '/Shared',
'enable_previews' => true,
'enabledPreviewProviders' =>
array (
11 => 'OC\\Preview\\PNG',
12 => 'OC\\Preview\\JPEG',
13 => 'OC\\Preview\\GIF',
14 => 'OC\\Preview\\BMP',
15 => 'OC\\Preview\\MarkDown',
16 => 'OC\\Preview\\MP3',
17 => 'OC\\Preview\\TXT',
18 => 'OC\\Preview\\Movie',
),
'preview_max_x' => '2048',
'preview_max_y' => '2048',
'jpeg_quality' => '60',
'maintenance' => false,
'mail_from_address' => '',
'mail_sendmailmode' => 'smtp',
'mail_domain' => '',
'mail_smtpauthtype' => 'LOGIN',
'mail_smtpauth' => 1,
'mail_smtphost' => '',
'mail_smtpport' => '',
'mail_smtpname' => '',
'mail_smtppassword' => '',
);
The output of your Apache/nginx/system log in /var/log/____:
192.168.1.254 - - [26/Mar/2020:21:06:05 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:06:36 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:07:07 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:07:36 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 74 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:08:07 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:08:37 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:09:07 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 74 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:09:37 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 74 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:10:08 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:10:34 +0000] "GET /index.php/204 HTTP/1.1" 204 5577 "-" "Mozilla/5.0 (Android) Nextcloud-android/3.10.1"
192.168.1.254 - - [26/Mar/2020:21:10:38 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:10:34 +0000] "PROPFIND /remote.php/webdav/ HTTP/1.1" 401 5467 "-" "Mozilla/5.0 (Android) Nextcloud-android/3.10.1"
192.168.1.254 - - [26/Mar/2020:21:11:08 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:11:38 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:12:08 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:12:38 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:13:08 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:13:38 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
45.143.220.231 - - [26/Mar/2020:21:13:48 +0000] "GET /servlet?m=mod_listener&p=login&q=loginForm&jumpto=status HTTP/1.1" 301 583 "-" "-"
192.168.1.254 - - [26/Mar/2020:21:14:08 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:14:38 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:15:08 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:15:38 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:16:08 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:16:38 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 74 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:17:08 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:17:35 +0000] "GET /csrftoken HTTP/2.0" 200 591 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:17:38 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 74 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:18:08 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:18:38 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:19:08 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:19:38 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:19:48 +0000] "GET /index.php/204 HTTP/1.1" 204 5581 "-" "Mozilla/5.0 (Android) Nextcloud-android/3.10.1"
192.168.1.254 - - [26/Mar/2020:21:19:48 +0000] "GET /index.php/204 HTTP/1.1" 204 5577 "-" "Mozilla/5.0 (Android) Nextcloud-android/3.10.1"
192.168.1.254 - - [26/Mar/2020:21:20:08 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:20:38 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:21:08 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:21:38 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:22:08 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:22:38 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:23:08 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:23:38 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 74 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:24:08 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:24:38 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 74 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:25:08 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:25:39 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:26:08 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:26:39 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:27:09 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"
192.168.1.254 - - [26/Mar/2020:21:27:39 +0000] "GET /ocs/v2.php/apps/notifications/api/v2/notifications HTTP/2.0" 200 586 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0"