RPC_S_BINDING_HAS_NO_AUTH 0x800706D2

Error code 1746 · HRESULT 0x800706D2

WINDOWS

The binding does not contain any authentication information.

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

RPC_S_BINDING_HAS_NO_AUTH is a Windows error code (system error 1746, returned as HRESULT 0x800706D2) reported by Windows. Its official message is: “The binding does not contain any authentication information.”

How to fix RPC_S_BINDING_HAS_NO_AUTH

  1. Run the affected program as administrator (right-click → Run as administrator)
  2. Check permissions on the target resource: Properties → Security → your account
  3. Check Event Viewer → Windows Logs → Security for the matching audit entry

Related errors

Source: Microsoft WinError.h

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