Symptoms
- Seafile is running, but can't login via default client on a Plesk server.
- Seafile client shows error "Failed to login".
- Manually accessing the website https://example.com/seafile points to a 404 error.
- No errors are logged on /var/www/vhosts/example.com/logs/seahub.log
Cause
Domain is pointed to another IP address.
Resolution
In your registrar, or DNS server, point the domain's A record to the correct Plesk server's IP address.