Internet Authentication Service

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Troubleshooting by Using Network Monitor

If a problem still exists after checking basic IAS configuration, the Network Monitor (NetMon) tool can be used to record a trace of the problem for further analysis.

When you use Network Monitor for IAS troubleshooting, consider the following:

Set up Network Monitor for RADIUS troubleshooting by filtering NetMon on RADIUS packets in a trace.

Perform the following steps:

To filter NetMon on RADIUS packets in a trace

  1. Capture trace of a problem.
  2. In the Display menu, select Filter.
  3. Select Protocol = Any and then click Edit Expression. Click Disable All to disable all of the protocols. In the right pane, select RADIUS protocol and then click Enable.
  4. Click OK.

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