This identifier contains custom headers that are included by the server in the standard HTML header sent to the client browser. Each string in this identifier is formatted as a key name and value pair, Keyname, Value.
| Data type | MUTLI_SZ |
| Default inheritance | Inheritable |
| User type | IIS_MD_UT_FILE |
This identifier is available at the following metabase keys:
| Metabase Path | Key Type |
| /LM/W3SVC | IIsWebService |
| /LM/W3SVC/n | IIsWebServer |
| /LM/W3SVC/n/ROOT | IIsWebVirtualDir |
| /LM/W3SVC/n/ROOT/WebVirtualDir | IIsWebVirtualDir |
| /LM/W3SVC/n/ROOT/WebVirtualDir/WebDirectory | IIsWebDirectory |
| /LM/W3SVC/n/ROOT/WebVirtualDir/WebDirectory/WebFile | IIsWebFile |