Nextcloud version (eg, 12.0.2): 13.0.1
Operating system and version (eg, Ubuntu 17.04): Debian 9
Apache or nginx version (eg, Apache 2.4.25): Apache
PHP version (eg, 7.1): 7.0
The issue you are facing:
My Windows Client says "no connection to nextcloud xxxxxxxxxxxx operation canceled"
BUT i can login normally throug the webpage with my user.
In the log i only get failed login but User+Pass are correct i dont know why this happend.
Is this the first time you’ve seen this error? (Y/N): N
The output of your Nextcloud log in Admin > Logging:
Warning core Login failed: 'username' (Remote IP: 'xxxxxxxx') 2018-04-30T11:39:17+0200