Failed to External Authenticator

This error message appears during enrollment in the Nymi Band Application.

The following errors appear in the nem.log file:

                Band error: (2000) Request made with invalid parameters
                [18] ERROR  Band operation error: MessageType=Nymi.Model.BandMessage.Response.CreateExternalAuthBandResponse ErrorCode: 2000 ErrorDescription: Request made with invalid parameters. ErrorSpecifics: MalformedFraming
                [31] ERROR  Failed Create External Authenticator on real band on retry #1
                NEM.Services.ExternalAuthenticatorException Band error 2000:
                Request made with invalid parameters.


Blacklisted entries for a previous Nymi Band were not deleted for the Nymi Band user in the Evidian EAM Management Console.


To resolve this issue, perform the following steps:

  1. Log into the Evidian EAM Management Console with an EAM administrator account.
  2. Click the Directory icon.
  3. In the left navigation pane, click RFID.
  4. From the RFID state list, select Blacklisted, and then click Apply.
  5. Select each blacklisted entry that appears for the user and click Delete.
  6. On the Please confirm RFID state change prompt, click Yes.

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