DNS_ERROR_NO_TCPIP 0x8007267B
Error code 9851 · HRESULT 0x8007267B
TCP/IP network protocol not installed.
What it means
DNS_ERROR_NO_TCPIP is a Windows error code (system error 9851, returned as HRESULT 0x8007267B) reported by Windows. Its official message is: “TCP/IP network protocol not installed.”
How to fix DNS_ERROR_NO_TCPIP
- 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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