Unlike modern "always-on" remote access, Netviewer often relied on a session-based "dial" where a participant entered a 6-digit session number to "call" into the meeting.
Access a client's desktop to troubleshoot issues in real-time. netviewer mp dial 100
For those specifically looking for network monitoring rather than just remote desktop access, Algorius Net Viewer provides visualization and monitoring for up to 100,000 devices. Troubleshooting Legacy Netviewer Sessions Unlike modern "always-on" remote access
If you are still using a legacy version of Netviewer and encounter "Dial" errors: netviewer mp dial 100