DNS_ERROR_SCOPE_ALREADY_EXISTS 0x800726EB

Error code 9963 · HRESULT 0x800726EB

WINDOWS

The scope already exists.

Windows troubleshooting diagram: Device Manager warning and a system file scan
Windows errors: check drivers, system files and Event Viewer, in that order.

What it means

DNS_ERROR_SCOPE_ALREADY_EXISTS is a Windows error code (system error 9963, returned as HRESULT 0x800726EB) reported by Windows. Its official message is: “The scope already exists.”

How to fix DNS_ERROR_SCOPE_ALREADY_EXISTS

  1. Test connectivity to the remote host first (ping, then the exact port)
  2. Check firewall, VPN and proxy rules for the involved process
  3. Run 'ipconfig /flushdns' and 'netsh interface ip reset', then reboot

Related errors

DNS_ERROR_SCOPE_LOCKEDDNS_ERROR_SCOPE_DOES_NOT_EXISTDNS_ERROR_INVALID_SCOPE_OPERATIONDNS_ERROR_DEFAULT_SCOPEDNS_ERROR_INVALID_SCOPE_NAMEDNS_ERROR_ZONESCOPE_FILE_WRITEBACK_FAILEDDNS_ERROR_POLICY_ALREADY_EXISTS

Source: Microsoft WinError.h

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