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Applies To: Windows Server 2008
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RADIUS clients must be available to Network Policy Server (NPS) in order for NPS to process connection requests.
Event Details
| Product: | Windows Operating System |
| ID: | 22 |
| Source: | NPS |
| Version: | 6.0 |
| Symbolic Name: | RADIUS_E_CANT_SEND_RESPONSE |
| Message: | The Network Policy Server (NPS) could not send a response due to a network error. The data is the error code generated by Windows Sockets. |
Resolve
Establish RADIUS client availability
To establish RADIUS client availability:
- Use Windows Sockets error messages and documentation to determine the Windows Sockets reason for failure and the resolution steps. For more information, see Windows Sockets Error Codes at https://go.microsoft.com/fwlink/?LinkId=95404.
Verify
To verify that Windows Sockets errors are fixed:
- Connect to the network through the previously unavailable RADIUS client. On a network access client that is allowed by policy to connect to the network, such as a wireless client that is a domain member computer for which there are network policies that grant access, attempt to connect to the network with a valid user account and credentials.
- If the server running NPS performs authentication and authorization in a normal amount of time, the network and Windows Sockets errors are resolved.