### UNCAuthenticationPassthrough

This property enables user authentication passthrough for Universal Naming Convention (UNC) virtual root access (for authentication schemes that support delegation).

Note Integrated Windows (NTLM) authentication does not support delegation.

Data type | Boolean
Default value | FALSE
Inheritance | Inheritable

###### Access Locations

This property is accessible at the following locations:

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

###### IIS Admin Base Object Information

The following table lists additional information required only for code that uses the IIS Admin Base Object.

Metabase identifier | MD_VR_PASSTHROUGH
User type | IIS_MD_UT_FILE

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