Supplies identification values to a proxy server or a Web service for a WCF client using integrated Windows or digest authentication.
| ImpersonationLevel value | Meaning |
|---|---|
| None | An impersonation level is not assigned. |
| Anonymous | The server process cannot impersonate the client and cannot obtain identification information about the client. |
| Identification | The server process cannot impersonate the client, but can obtain identification and privileges information about the client. This allows other services on the server to use the client security context for access and validation decisions. |
| Impersonation | The server process can impersonate the client security context on its local system, but not on remote systems. |
| Delegation | The server process can impersonate the client security context on both local and remote systems. |