This property contains a comma-delimited list of Windows authentication providers, such as integrated Windows authentication (also known as NTLM).
| Data type | String | 
| Default value | Empty string | 
| Inheritance | Inheritable | 
This property is accessible at the following locations:
| Metabase Path | Key Type | 
| /LM/W3SVC | IIsWebService | 
| /LM/W3SVC/N | IIsWebServer | 
The following table lists additional information required only for code that uses the IIS Admin Base Object.
| Metabase identifier | MD_NTAUTHENTICATION_PROVIDERS | 
| User type | IIS_MD_UT_FILE |