ERROR_DS_NO_PKT_PRIVACY_ON_CONNECTION 0x80072155

Error code 8533 · HRESULT 0x80072155

WINDOWS

The connection between client and server requires packet privacy or better.

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

ERROR_DS_NO_PKT_PRIVACY_ON_CONNECTION is a Windows error code (system error 8533, returned as HRESULT 0x80072155) reported by Windows. Its official message is: “The connection between client and server requires packet privacy or better.”

How to fix ERROR_DS_NO_PKT_PRIVACY_ON_CONNECTION

  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

ERROR_DS_NO_FPO_IN_UNIVERSAL_GROUPSERROR_DS_NO_CHECKPOINT_WITH_PDCERROR_DS_NO_NEST_LOCALGROUP_IN_MIXEDDOMAINERROR_DS_NO_NEST_GLOBALGROUP_IN_MIXEDDOMAINERROR_DS_INIT_FAILUREERROR_DS_SOURCE_DOMAIN_IN_FORESTERROR_DS_CANT_START

Source: Microsoft WinError.h

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