ERROR_SECRET_TOO_LONG 0x80070566

Error code 1382 · HRESULT 0x80070566

WINDOWS

The length of a secret exceeds the maximum length allowed.

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_SECRET_TOO_LONG is a Windows error code (system error 1382, returned as HRESULT 0x80070566) reported by Windows. Its official message is: “The length of a secret exceeds the maximum length allowed.”

How to fix ERROR_SECRET_TOO_LONG

  1. Reboot once — many one-off system codes disappear with a clean restart
  2. Repair system files: 'sfc /scannow' then 'DISM /Online /Cleanup-Image /RestoreHealth'
  3. Find the source in Event Viewer → System: filter for this exact code and open its provider link

Related errors

ERROR_TOO_MANY_SECRETSERROR_INTERNAL_DB_ERRORERROR_LOGON_NOT_GRANTEDRPC_S_SERVER_UNAVAILABLEWSAEACCESWSAEADDRINUSEWSAECONNABORTEDWSAECONNRESET

Source: Microsoft WinError.h

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