RpcMgmtInqDefaultProtectLevel function (rpcdce.h)

Article
02/22/2024

The RpcMgmtInqDefaultProtectLevel function returns the default authentication level for an authentication service.

Syntax

RPC_STATUS RpcMgmtInqDefaultProtectLevel(
  unsigned long AuthnSvc,
  unsigned long *AuthnLevel
);

Parameters

AuthnSvc

Authentication service for which to return the default authentication level. Valid values are the constant for any valid security provider.

AuthnLevel

Returns the default authentication level for the specified authentication service. The authentication level determines the degree to which authenticated communications between the client and server are protected. For more information, see Authentication Level Constants.

Return value

Value	Meaning
RPC_S_OK	The call succeeded.
RPC_S_UNKNOWN_AUTH_SERVICE	Unknown authentication service.

Note For a list of valid error codes, see RPC Return Values.

Remarks

An application calls the RpcMgmtInqDefaultProtectLevel function to obtain the default authentication level for a specified authentication service.

Requirements

Requirement	Value
Minimum supported client	Windows 2000 Professional [desktop apps only]
Minimum supported server	Windows 2000 Server [desktop apps only]
Target Platform	Windows
Header	rpcdce.h (include Rpc.h)
Library	Rpcrt4.lib
DLL	Rpcrt4.dll