FwpmSubLayerDeleteByKey0 function (fwpmu.h)

The FwpmSubLayerDeleteByKey0 function deletes a sublayer from the system by its key.


DWORD FwpmSubLayerDeleteByKey0(
  [in] HANDLE     engineHandle,
  [in] const GUID *key


[in] engineHandle


Handle for an open session to the filter engine. Call FwpmEngineOpen0 to open a session to the filter engine.

[in] key

Type: const GUID*

Unique identifier of the sublayer to be removed from the system. This is the same GUID that was specified when the application called FwpmSubLayerAdd0.

Return value


Return code/value Description
The sublayer was successfully deleted.
FWP_E_* error code
A Windows Filtering Platform (WFP) specific error. See WFP Error Codes for details.
RPC_* error code
Failure to communicate with the remote or local firewall engine.


This function cannot be called from within a read-only transaction. It will fail with FWP_E_INCOMPATIBLE_TXN. See Object Management for more information about transactions.

This function can be called within a dynamic session if the corresponding object was added during the same session. If this function is called for an object that was added during a different dynamic session, it will fail with FWP_E_WRONG_SESSION. If this function is called for an object that was not added during a dynamic session, it will fail with FWP_E_DYNAMIC_SESSION_IN_PROGRESS.

The caller needs DELETE access to the sub-layer. See Access Control for more information.

FwpmSubLayerDeleteByKey0 is a specific implementation of FwpmSubLayerDeleteByKey. See WFP Version-Independent Names and Targeting Specific Versions of Windows for more information.


Requirement Value
Minimum supported client Windows Vista [desktop apps only]
Minimum supported server Windows Server 2008 [desktop apps only]
Target Platform Windows
Header fwpmu.h
Library Fwpuclnt.lib
DLL Fwpuclnt.dll

See also