This property specifies authentication persistence across requests on a connection. If the value is 0x40, then authentication persists only for a single request. If the value is 0x80, then authentication persists only for a single request if it is a proxy request and the request is not handled by Microsoft® Proxy Server. (i.e. If Proxy Server is running on the local IIS server and the request is targeted to a non-local server.) If the value is 0x100, then authentication is valid for a single request if the request is by proxy.
The following table describes this property:
| Data type | Long |
| Default value | 0x80 (Single request, if proxy) |
| Default inheritance | Inheritable |
Accessible by IIS Admin Objects:
| IIsWebService | IIsWebServer | IIsWebVirtualDir | IIsWebDirectory |
| IIsWebFile |