Performs an attempt to authenticate the user through the guest OS security database.
PRL_HANDLE PrlVm_AuthWithGuestSecurityDb( PRL_HANDLE hVm, PRL_CONST_STR sUserName, PRL_CONST_STR sUserPassword, PRL_UINT32 nFlags );
PrlApiVm.h
A handle of type PHT_JOB containing the results of this asynchronous operation or PRL_INVALID_HANDLE if there's not enough memory to instantiate the job object.
To get the return code from the PHT_JOB object, use the PrlJob_GetRetCode function. Possible values are:
PRL_ERR_INVALID_ARG - invalid handle or null pointer (empty string) for user name was passed.
PRL_ERR_AUTHENTICATION_FAILED - user authentication failed.
PRL_ERR_SUCCESS - user authenticated successfully.