Hi @PP09, The error message indicates that there is an issue with connecting to the `login.microsoftonline.com` server, resulting in an `UnknownHostException`. This error typically occurs when the hostname (`login.microsoftonline.com`) cannot be resolved to an IP address.
Here are a few steps you can take to troubleshoot and potentially resolve this issue:
1. Check Network Connection: Ensure that your network connection is active and stable. Try accessing other websites to confirm that your internet connection is working properly.
2. DNS Configuration: Ensure that your DNS settings are correctly configured. You can try using a different DNS server, such as Google's Public DNS (`8.8.8.8` and `8.8.4.4`), to see if it resolves the hostname correctly.
3. Firewall or Proxy Settings: Check if there are any firewall or proxy settings that might be blocking the connection to `login.microsoftonline.com`. If so, adjust your settings to allow the connection.
4. Hosts File: Check if there are any entries in your computer's hosts file (`C:\Windows\System32\drivers\etc\hosts` on Windows, `/etc/hosts` on Linux/Mac) that might be interfering with the DNS resolution of `login.microsoftonline.com`. If so, remove or comment on these entries.
5. Temporary Connectivity Issue: Sometimes, the issue may be temporary due to network congestion or server downtime. Retry the operation after some time to see if the issue resolves on its own.
