Forum Discussion
MiloShepherd
Mar 27, 2026Iron Contributor
Windows 11 Broadband Connection Error 720
Getting error 720 when connecting to broadband on Windows 11; only Win7 guides found online. Need a fix.
2 Replies
Error 720 indicates: Dial-Up networking could not negotiate a compatible set of network protocols you specified in Server Type settings.
Resolution:
Check your network configuration in network control panel and try the connection again.
For detailed fix, and steps, refer this Microsoft support article:
Let us know if this helps!
- AAbnerIron Contributor
Run Command Prompt as an administrator, type `netsh int ip reset` and `netsh winsock reset`, then restart your computer.