DNS_ERROR_DP_FSMO_ERROR 0x800726B2

Error code 9906 · HRESULT 0x800726B2

WINDOWS

The operation failed because the domain naming master FSMO role could not be reached. The domain controller holding the domain naming master FSMO role is down or unable to service the request or is not running Windows Server 2003 or later.

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_DP_FSMO_ERROR is a Windows error code (system error 9906, returned as HRESULT 0x800726B2) reported by Windows. Its official message is: “The operation failed because the domain naming master FSMO role could not be reached. The domain controller holding the domain naming master FSMO role is down or unable to service the request or is not running Windows Server 2003 or later.”

How to fix DNS_ERROR_DP_FSMO_ERROR

  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_DP_NOT_AVAILABLEDNS_ERROR_DP_ALREADY_ENLISTEDDNS_ERROR_DP_NOT_ENLISTEDDNS_ERROR_DP_ALREADY_EXISTSDNS_ERROR_DP_DOES_NOT_EXISTDNS_ERROR_RRL_NOT_ENABLEDDNS_ERROR_RRL_INVALID_WINDOW_SIZE

Source: Microsoft WinError.h

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