No connection to Nextcloud at on Nextcloud Sync client

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Nextcloud version (eg, 20.0.5): 2.6.2-1build1
Operating system and version (eg, Ubuntu 20.04): Linux Mint 20.30
Apache or nginx version (eg, Apache 2.4.25): Don't know
PHP version (eg, 7.4): Don't know. Server is Nextcloud recommended

The issue you are facing: Having used Nextcloud client to sync between my laptop running Linux Mint and my stationary iMac with no such problem, suddenly my laptop sync client cannot connect. Error message I get is “No connection to Nextcloud at

I’ve checked that the server has not changed name (as in other support thread). And my iMac seems to have no problems being connected.

I don’t know where to find the log files.

Is this the first time you’ve seen this error? (Y/N): Yes

Steps to replicate it:

The output of your Nextcloud log in Admin > Logging:

Don't know how to get log files

The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):


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


Can I do something to get help? If I can’t get my sync to work, the main reason for me to use Nextcloud, I’ll have to stop using it.

Can you call the Nextcloud-server via browser on the computer, where the desktopclient fails?
Can you find any information in the logfile of the desktop software in


I think the url is correct if you can connect from iMac.
Can you connect from laptop (Linux Mint) in browser to the url?

Also you can test a 60 minute free nextcloud account:
Username is 16 charaters long
Password is: demo
Servername is or

I seemed to have solved the problem for now by simply upgrading to the newest version that had been updating recently. I still don’t know what the solution was.

I did try to connect to the Nextcloud-server via the browser with no problem on the laptop (Linux Mint).

I also tried connection to the free nextcloud account as suggested by @devnull with no luck. Same error message.

Thanks a lot for commenting and asking questions both of you. I hope the problem will not come back.