Hi @Seif_Maher,
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.
In some cases we’ve found that there might be a delay with the API when logging in that the team is currently working on investigating. After entering your login information can you wait about 60 seconds before returning to Roon and let us know if that results in any changes?
What browsers are you using on the laptops?