midl /no_default_epv
midl /no_default_epv filename.idl
The /no_default_epv switch directs the MIDL compiler not to generate a default entry-point vector (epv). In this case, the application must register an epv with the RpcServerRegisterIf call. Compare this switch with the /use_epv switch.
General MIDL Command-line Syntax, IDL, /use_epv, RpcServerRegisterIf