Hello @Peter_Birgoth and welcome to the community! I’d like to know more about the circumstances of your issue and your setup.
When did this issue start happening?
Do you get an error message when this happens?
Have you tried disabling antivirus and firewall temporarily?
So we can better assist you, please provide a brief description of your current setup using this link as a guide.
Make sure to describe your network configuration/topology, including any networking hardware currently in use, so we can have a clear understanding of how your devices are communicating.