Troubleshooting VPN and firewall issues
VPN issues Failed VPN connections Symptom: Users are unable to establish a VPN connection. Some possible causes and solutions include the following. Incorrect credentials: Ensure that the username, password, and other authentication details are correct. If necessary, use secure methods to reset credentials. Network issues: Verify that the user has a stable internet connection. Run diagnostics to rule out local network issues, such as an ISP outage. Configuration errors: Check the VPN client and server configurations. Misconfigurations such as incorrect server address, port, or protocol settings can prevent connection. ...