This property specifies integrated Windows authentication (also known as Challenge/Response or NTLM authentication) as one of the possible Windows authentication schemes returned to clients as being available. AuthNTLM is one of the authentication scheme flags contained in the AuthFlags property.
| Data type | Boolean |
| Default value | FALSE |
| Inheritance | Inheritable |
This property is accessible at the following locations:
| Metabase Path | IIS Admin Object 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 |
The following table lists additional information required only for code that uses the IIS Admin Base Object.
Note This property is a bitmask flag of the identifier MD_AUTHORIZATION.
| Metabase identifier | MD_AUTHORIZATION |
| Metabase bitmask identifier | MD_AUTH_NT |
| Data type | DWORD_METADATA |
| User type | IIS_MD_UT_FILE |
| Metabase bitmask value | 0x00000004 |