DNS_ERROR_POLICY_INVALID_CRITERIA_TRANSPORT_PROTOCOL 0x80072707
Error code 9991 · HRESULT 0x80072707
The criterion transport protocol provided in the policy is invalid.
What it means
DNS_ERROR_POLICY_INVALID_CRITERIA_TRANSPORT_PROTOCOL is a Windows error code (system error 9991, returned as HRESULT 0x80072707) reported by Windows. Its official message is: “The criterion transport protocol provided in the policy is invalid.”
How to fix DNS_ERROR_POLICY_INVALID_CRITERIA_TRANSPORT_PROTOCOL
- Test connectivity to the remote host first (ping, then the exact port)
- Check firewall, VPN and proxy rules for the involved process
- Run 'ipconfig /flushdns' and 'netsh interface ip reset', then reboot
Related errors
Source: Microsoft WinError.h
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