Before you close your firewall console, verify these boxes:
You’ve checked the internet. The remote computer is powered on. TeamViewer is running. So, what gives? teamviewer firewall whitelist
Pro Tip: TeamViewer IPs can change. For mission-critical environments, use their "IP URL lists" (e.g., teamviewer.com/ips.txt ) to dynamically update your firewall rules via script. Before you close your firewall console, verify these