This identifier indicates whether the particular ISAPI filter is loaded or unloaded.
| Data type | DWORD |
| Default inheritance | Not inheritable |
| User type | IIS_MD_UT_SERVER |
| Constant | Value | Description |
| MD_FILTER_STATE_LOADED | 0x00000001 | Filter loaded |
| MD_FILTER_STATE_UNLOADED | 0x00000004 | Filter unloaded |
This identifier is available at the following metabase keys:
| Metabase Path | Key Type |
| /LM/W3SVC/Filters/Filter | IIsFilter |
| /LM/W3SVC/n/Filters/Filter | IIsFilter |
This identifier should be considered read-only.