DNS_ERROR_DS_ZONE_ALREADY_EXISTS 0x800725F6

Error code 9718 · HRESULT 0x800725F6

WINDOWS

DNS zone already exists in the directory service.

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_DS_ZONE_ALREADY_EXISTS is a Windows error code (system error 9718, returned as HRESULT 0x800725F6) reported by Windows. Its official message is: “DNS zone already exists in the directory service.”

How to fix DNS_ERROR_DS_ZONE_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_DS_UNAVAILABLEDNS_ERROR_NO_BOOTFILE_IF_DS_ZONEDNS_ERROR_NODE_IS_DNAMEDNS_ERROR_DNAME_COLLISIONDNS_WARNING_DOMAIN_UNDELETEDDNS_WARNING_PTR_CREATE_FAILEDDNS_ERROR_NAME_DOES_NOT_EXIST

Source: Microsoft WinError.h

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