Event ID - 22

Event Id22
SourceNPS
DescriptionThe Network Policy Server (NPS) could not send a response due to a network error. The data is the error code generated by Windows Sockets.
Event Information According to Microsoft :
Cause :
This event is logged when the network policy server could not send a response due to a network error.
Resolution :
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.
Verify :
To verify that Windows Sockets errors are fixed:
1.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.
2.If the server running NPS performs authentication and authorization in a normal amount of time, the network and Windows Sockets errors are resolved.
Reference LinksEvent ID 22 from Source NPS

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