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Event ID: 13 Source: IAS

Source
Level
Description
A request was received from the invalid client IP Address <ip address>.
Comments
 
As per Microsoft: "This event record indicates that there may be a rogue client in the system or the client was not set up. The most likely cause is a client that is not set up". See MSW2KDB for additional information about this event.
This behavior can occur because the Routing and Remote Access server has not been set up as a Remote Authentication Dial-In User Service (RADIUS) client in the IAS Microsoft Management Console (MMC). Resolution: Add the RADIUS client. See ME299684.

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