DNS_ERROR_ZONESCOPE_FILE_WRITEBACK_FAILED 0x800726E5

Error code 9957 · HRESULT 0x800726E5

WINDOWS

Failed to write data file for DNS zone scope. Please verify the file exists and is writable.

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_ZONESCOPE_FILE_WRITEBACK_FAILED is a Windows error code (system error 9957, returned as HRESULT 0x800726E5) reported by Windows. Its official message is: “Failed to write data file for DNS zone scope. Please verify the file exists and is writable.”

How to fix DNS_ERROR_ZONESCOPE_FILE_WRITEBACK_FAILED

  1. Verify the path/file actually exists and is not blocked by antivirus quarantine
  2. Reinstall the application that raised the error to restore missing files
  3. Check the full path spelling (long paths >260 chars need a registry opt-in)
  4. Test connectivity to the remote host first (ping, then the exact port)
  5. Check firewall, VPN and proxy rules for the involved process
  6. Run 'ipconfig /flushdns' and 'netsh interface ip reset', then reboot

Related errors

DNS_ERROR_ZONESCOPE_DOES_NOT_EXISTDNS_ERROR_ZONESCOPE_ALREADY_EXISTSDNS_ERROR_ZONESCOPE_IS_REFERENCEDDNS_ERROR_INVALID_SCOPE_NAMEDNS_ERROR_LOAD_ZONESCOPE_FAILEDDNS_ERROR_NOT_ALLOWED_WITH_ZONESCOPESDNS_ERROR_SCOPE_DOES_NOT_EXIST

Source: Microsoft WinError.h

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