The various SORFLAGS values have the following meanings. The SORF_OXRESxxx bit flags are reserved for the object exporter's use only, and must be ignored by object importers. They need not be passed through when marshaling an interface proxy.
| Flag | Meaning |
| SORF_NULL | Convenient for initialization. |
| SORF_OXRES1 | Reserved for exporter. |
| SORF_OXRES2 | Reserved for exporter. |
| SORF_OXRES3 | Reserved for exporter. |
| SORF_OXRES4 | Reserved for exporter. |
| SORF_OXRES5 | Reserved for exporter. |
| SORF_OXRES6 | Reserved for exporter. |
| SORF_OXRES7 | Reserved for exporter. |
| SORF_OXRES8 | Reserved for exporter. |
| SORF_NOPING | This OID does not require pinging. Further, all interfaces on this OID, including this IPID, need not be reference counted. Pinging and reference counting on this object and its interfaces are still permitted, however, though such action is pointless. |