The error message "Authentication failed. Check whether the authentication information is correct, and try again" appears when I try to set up the Wireless LAN setting.


The error message "Authentication failed. Check whether the authentication information is correct, and try again" appears when I try to set up the Wireless LAN setting.
Use a different character according to the specification of the RADIUS server.

Examples of RADIUS server limitation:

  • Windows Server 2008 R2 NPS (Network Policy Server):
    A user ID or password that contains a multibyte character.
  • FREE RADIUS (Linux / Windows):
    A user ID or password that contains "\"

Target ScanSnap:
iX100

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