1 - NDI and Smode version
Ensure that your version of NDI is compatible with the version of Smode you are using. Refer to the
What's new in Smode?
2 - Deactivate unused network devices
Disable the virtual network devices that you don't use and remove the hidden drivers of older network hardware installed in.
Windows -> Computer management -> Device Manager -> Network adapters ('Show hidden devices' in the 'View' menu):
3 - IPV6 and Network check
Disable IPv6 on all network adapters (connected or not) to unload the associated driver:
Ensure that there are no multiple IPs from the same subnet associated with different adapters.
4 - Uninstall NCAP
If Wireshark software has been installed on your server, uninstall the NPCAP sniffer:
5 - Disable the Firewall
Try disabling Windows firewalls if possible.