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  3. Veyon 4.5.1 I can't open website from Master

Veyon 4.5.1 I can't open website from Master

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  • R Offline
    R Offline
    RNETuband
    wrote on last edited by
    #7

    Hello,
    There is a possibility that the default applications are not the same on the master and the client, and the path to the exe is also different from the master to the client -> the path recorded in the master would not be found in the clients. (i experienced both on a former version )
    Good luck

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    0
    • V Offline
      V Offline
      veyonkalmar
      wrote on last edited by
      #8

      "Windows itself can hide the display of icons by positioning them within a hidden, windowed section of the notification area. In Windows turn on ‘Always show all icons in the notification area’ found under Taskbar settings."

      I watch this settings, but i turned on this option.

      "You seem to have a significant level of control through Veyon though not for the ‘Run program’ and ‘Open website’ features on all except one computer."

      Reverse. Its working just one computer and on other 23 not.

      "There is a possibility that the default applications are not the same on the master and the client, and the path to the exe is also different from the master to the client -> the path recorded in the master would not be found in the clients. (i experienced both on a former version )"

      I dont think, because i used FOG Server, and i cloned the computers. This functions (open website and run program) worked the latest veyon version.

      I 1 Reply Last reply
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      • V veyonkalmar

        "Windows itself can hide the display of icons by positioning them within a hidden, windowed section of the notification area. In Windows turn on ‘Always show all icons in the notification area’ found under Taskbar settings."

        I watch this settings, but i turned on this option.

        "You seem to have a significant level of control through Veyon though not for the ‘Run program’ and ‘Open website’ features on all except one computer."

        Reverse. Its working just one computer and on other 23 not.

        "There is a possibility that the default applications are not the same on the master and the client, and the path to the exe is also different from the master to the client -> the path recorded in the master would not be found in the clients. (i experienced both on a former version )"

        I dont think, because i used FOG Server, and i cloned the computers. This functions (open website and run program) worked the latest veyon version.

        I Offline
        I Offline
        ITGuy
        wrote on last edited by
        #9

        @veyonkalmar

        You seem to have a significant level of control through Veyon though not for the ‘Run program’ and ‘Open website’ features on all except one computer.

        I believe ‘Open website’ requires use of cmd. Perhaps a security setting or GPO is preventing users from accessing cmd/command prompt.

        V 1 Reply Last reply
        0
        • I ITGuy

          @veyonkalmar

          You seem to have a significant level of control through Veyon though not for the ‘Run program’ and ‘Open website’ features on all except one computer.

          I believe ‘Open website’ requires use of cmd. Perhaps a security setting or GPO is preventing users from accessing cmd/command prompt.

          V Offline
          V Offline
          veyonkalmar
          wrote on last edited by
          #10

          @itguy

          I think no... the all of 24 computers are totally same. They are installed from same image file.

          I 1 Reply Last reply
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          • V veyonkalmar

            @itguy

            I think no... the all of 24 computers are totally same. They are installed from same image file.

            I Offline
            I Offline
            ITGuy
            wrote on last edited by
            #11

            @veyonkalmar

            Possibly try manually uninstalling and reinstalling Veyon using the latest version at each of the non-working client computers. If you choose to go this route after uninstalling be sure to delete all Veyon related folders (Program Files, ProgramData) and also remove all Veyon related Registry keys. After reinstalling if using key file authentication create and distribute the necessary authentication keys.

            V 1 Reply Last reply
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            • I ITGuy

              @veyonkalmar

              Possibly try manually uninstalling and reinstalling Veyon using the latest version at each of the non-working client computers. If you choose to go this route after uninstalling be sure to delete all Veyon related folders (Program Files, ProgramData) and also remove all Veyon related Registry keys. After reinstalling if using key file authentication create and distribute the necessary authentication keys.

              V Offline
              V Offline
              veyonkalmar
              wrote on last edited by
              #12

              @itguy

              I tried this...

              I 1 Reply Last reply
              0
              • V veyonkalmar

                @itguy

                I tried this...

                I Offline
                I Offline
                ITGuy
                wrote on last edited by
                #13

                @veyonkalmar

                Very curious.

                Some questions, are you using Microsoft Active Directory from within an on-premises domain?

                Are your student computers Windows 10 Pro/Edu, if so, which update, 1909, 2004, 20H2?

                Do you use key file authentication or logon authentication?

                T V 2 Replies Last reply
                0
                • I ITGuy

                  @veyonkalmar

                  Very curious.

                  Some questions, are you using Microsoft Active Directory from within an on-premises domain?

                  Are your student computers Windows 10 Pro/Edu, if so, which update, 1909, 2004, 20H2?

                  Do you use key file authentication or logon authentication?

                  T Offline
                  T Offline
                  tobydox
                  wrote on last edited by
                  #14

                  Some technical background: first you should make sure the tray icon is visible on all computers. If it's not visible, the Veyon Service for some reason is not able to run it's own worker processes within the user session. The Veyon tray icon is provided by such a worker process. Launching the "Run program" or "Open website" features also launches a (different) worker process inside the user sessions as a helper process. This worker will then start the program or open the website and this way make sure the program or browser is opened with user privileges (instead of Admin/LocalSystem privileges which the Veyon Service is running with).

                  On computers where the tray icon is not visible, can you please check the VeyonServer.log file for messages starting with WindowsCoreFunctions and post them here?

                  V 1 Reply Last reply
                  0
                  • I ITGuy

                    @veyonkalmar

                    Very curious.

                    Some questions, are you using Microsoft Active Directory from within an on-premises domain?

                    Are your student computers Windows 10 Pro/Edu, if so, which update, 1909, 2004, 20H2?

                    Do you use key file authentication or logon authentication?

                    V Offline
                    V Offline
                    veyonkalmar
                    wrote on last edited by
                    #15

                    @itguy said in Veyon 4.5.1 I can't open website from Master:

                    @veyonkalmar

                    Very curious.

                    Some questions, are you using Microsoft Active Directory from within an on-premises domain?
                    > Nope, i dont use AD.

                    Are your student computers Windows 10 Pro/Edu, if so, which update, 1909, 2004, 20H2?
                    > I have 1909 Update yet.. this update have on the working computer too.

                    Do you use key file authentication or logon authentication?
                    I use key file auth

                    1 Reply Last reply
                    0
                    • T tobydox

                      Some technical background: first you should make sure the tray icon is visible on all computers. If it's not visible, the Veyon Service for some reason is not able to run it's own worker processes within the user session. The Veyon tray icon is provided by such a worker process. Launching the "Run program" or "Open website" features also launches a (different) worker process inside the user sessions as a helper process. This worker will then start the program or open the website and this way make sure the program or browser is opened with user privileges (instead of Admin/LocalSystem privileges which the Veyon Service is running with).

                      On computers where the tray icon is not visible, can you please check the VeyonServer.log file for messages starting with WindowsCoreFunctions and post them here?

                      V Offline
                      V Offline
                      veyonkalmar
                      wrote on last edited by
                      #16

                      @tobydox said in Veyon 4.5.1 I can't open website from Master:

                      Some technical background: first you should make sure the tray icon is visible on all computers. If it's not visible, the Veyon Service for some reason is not able to run it's own worker processes within the user session. The Veyon tray icon is provided by such a worker process. Launching the "Run program" or "Open website" features also launches a (different) worker process inside the user sessions as a helper process. This worker will then start the program or open the website and this way make sure the program or browser is opened with user privileges (instead of Admin/LocalSystem privileges which the Veyon Service is running with).

                      On computers where the tray icon is not visible, can you please check the VeyonServer.log file for messages starting with WindowsCoreFunctions and post them here?

                      Veyonserver.log
                      https://pastebin.com/Z4bGjPd0

                      VeyonService.log
                      https://pastebin.com/BH1And2t

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