The following table shows valid but unsupported run-time options. Specifying any of these options results in error MFX9999I ("The run-time option option is not supported in this release").
| ABPERC | ERRCOUNT | PUNUNIT |
| ABTERMENC | ERRUNIT | RDRUNIT |
| AIX | FILEHIST | RECPAD |
| AIXBLD | FLOW, NOFLOW | NORTEREUS |
| ANYHEAP | INQPCOPN | SIMVRD |
| AUTOTASK | INTERRUPT | STACK |
| BELOWHEAP | LIBSTACK | TERMTHDACT |
| CBLOPTS | MSGQ | TEST |
| CBLPSHPOP | NONIPTSTACK | THREADHEAP |
| CBLQDA | OCSTATUS | TRACE |
| CHECK | PC | TRAP |
| DEBUG | PLITASKCOUNT | USRHDLR |
| DEPTHCONDLMT | POSIX | VCTRSAVE |
| ENVAR | PRTUNIT | XUFLOW |
The following list shows LE run-time options that are valid but only supported by the C language or in a mainframe environment. Specifying any of these options results in error CEE3618I ("The run-time option option was not valid from the invocation command ").