KM Net Viewer - 'Authentication failed' with device admin credentials

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  • accDavid
    • Jun 2025

    #1

    KM Net Viewer - 'Authentication failed' with device admin credentials

    Hello,

    Printer is a Kyocera TASKalfa 300ci (I will post further information below with printer info)

    I have used this forum previously for searching / information but I am stuck a bit so any assistance is appreciated.

    I am using KM Net Viewer 5.3 to try resetting the Command Centre password, I can log in from the Device OK with Username and Password of 3000 without issue.
    When attempting to do a command centre password reset command (which I found in another thread on here) !R! ACNT "REST";EXIT; it asks for Administrator Log-in and password which I tried 3000/3000 and it throws up an error 'Result: Failed
    Authentication error'

    Last week I was able to log into Command Centre with admin00 but since I have done a firmware update.

    I assume I'm doing the correct process > I have found the Device > Right Click > Advanced > TCP/IP Send Data
    I select the Text field and enter the early mentioned command
    It asks for authentication, i put in username and password and get an authentication error.

    Some additional Printer information
    Taskalfa 300ci
    System Firmware: 2H7_2F00.013.006
    Panel Firmware: 2H7_7000.013.006

    Again any assistance is appreciated.
  • RollingROARANDA
    Technician
    • Nov 2012
    • 72

    #2
    Re: KM Net Viewer - 'Authentication failed' with device admin credentials

    Originally posted by accDavid
    Hello,

    Printer is a Kyocera TASKalfa 300ci (I will post further information below with printer info)

    I have used this forum previously for searching / information but I am stuck a bit so any assistance is appreciated.

    I am using KM Net Viewer 5.3 to try resetting the Command Centre password, I can log in from the Device OK with Username and Password of 3000 without issue.
    When attempting to do a command centre password reset command (which I found in another thread on here) !R! ACNT "REST";EXIT; it asks for Administrator Log-in and password which I tried 3000/3000 and it throws up an error 'Result: Failed
    Authentication error'

    Last week I was able to log into Command Centre with admin00 but since I have done a firmware update.

    I assume I'm doing the correct process > I have found the Device > Right Click > Advanced > TCP/IP Send Data
    I select the Text field and enter the early mentioned command
    It asks for authentication, i put in username and password and get an authentication error.

    Some additional Printer information
    Taskalfa 300ci
    System Firmware: 2H7_2F00.013.006
    Panel Firmware: 2H7_7000.013.006

    Again any assistance is appreciated.

    From KMNet, try typing "Admin" "Admin" credentials or admin "admin00", rather than 3000 3000.. I've never seen an account lock because of FW update??

    You can't login using http://your devices IP admin00?

    Comment

    • RollingROARANDA
      Technician
      • Nov 2012
      • 72

      #3
      Re: KM Net Viewer - 'Authentication failed' with device admin credentials

      Or you could try using the KMNet Admin util, using cred admin admin, to access account settings..

      Comment

      • accDavid

        #4
        Re: KM Net Viewer - 'Authentication failed' with device admin credentials

        Thanks RollingROAR,
        Don't know why I didn't try a non-device administrator account

        I have an administrator account on the device I used, Admin / Admin
        This lets me send the command

        It appears !R! ACNT "REST";EXIT; resets the job accounting password?
        I also tried !R! EGRE; EXIT; but it didn't appear to do anything.

        Anyone know of Command Centre passwords to reset the password or even remove for the command centre?

        Comment

        • blsquires
          Trusted Tech

          Site Contributor
          250+ Posts
          • Nov 2008
          • 342

          #5
          Re: KM Net Viewer - 'Authentication failed' with device admin credentials

          if i have a problem with kmnet viewer i just reinstall it and put in new password as it sets itself up (or even no password).
          this does not affect counts on the machine as they are held on the machine not kmnet viewer.after i load it i get it to find the machine then manage machine and all the counts just pop up.
          brian]

          Comment

          • accDavid

            #6
            Re: KM Net Viewer - 'Authentication failed' with device admin credentials

            Hello,

            Thanks for the assistance, using KM Net viewer I have managed to setup the printer just fine for now.

            I can wait until Kyocera technician comes and he can assist further with getting into the command centre.

            Thread can be closed.

            Comment

            • pope
              Junior Member
              • Oct 2013
              • 8

              #7
              Re: KM Net Viewer - 'Authentication failed' with device admin credentials

              Originally posted by blsquires
              if i have a problem with kmnet viewer i just reinstall it and put in new password as it sets itself up (or even no password).
              this does not affect counts on the machine as they are held on the machine not kmnet viewer.after i load it i get it to find the machine then manage machine and all the counts just pop up.
              brian]

              well, have tried this using kyocera 420i

              reinstalling so that i am able to login to the kmnet viewer..so far i havent managed.

              I need to login to the viewer to manage the job counters and logs.

              any ideas?

              thnks

              Comment

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