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Wrong arguments error

A user has reported that the UIS VPN does not work under IKEV2 on Windows 10. On connection, a 'wrong arguments' error message appears.

The following instructions from a user on github were found to resolve the issue, and may prove useful.

Clear the Networking caches

  • Run windows cmd window (click windows start menu, type 'cmd', right click on 'Command Prompt' and select "Run as Administrator").
  • Type the command: netsh int ip reset
  • Then type: netsh int ipv6 reset
  • Then type: netsh winsock reset
  • Restart your computer.

Reset Device Manager adaptors

  • Open Device Manager
  • Find Network Adapters
  • Uninstall WAN Miniport drivers (IKEv2, IP, IPv6, etc.)
  • Click Action > Scan for hardware changes
  • The adapters you just uninstalled should come back.

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If you have any enquiries regarding UIS network services, or other University network topics, please send an email to:

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