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Thread: WebClient "controll cannot be started"

  1. #1
    Join Date
    27.08.2008
    Posts
    50

    Default WebClient "controll cannot be started"

    Hello!

    I am running into some problems at a customer project.

    It seems that the ZenOn services are blocked on some PCs (other PCs in the same network work properly).

    The user used on the PCs got granted admin rights but we still get the attached messages when opening the ZenOn WebClient.

    OS: Windows 7 64bit
    ZenOn Version: ZenOn 7.11 SP0

    Any idea what could block ZenOn WebClient or how to unblock the ZenOn Services on Windows 7?

    Thanks!

    Greetings
    Thomas
    Attached Thumbnails Attached Thumbnails M2.jpg   M3.jpg  
    Last edited by kicker : 24th July 2015 at 06:07

  2. #2
    Join Date
    20.08.2009
    Posts
    293

    Default AW: WebClient "controll cannot be started"

    Hi,

    can you try to run the Internet Explorer as Administrator and see if that works?
    (If it works, the information may be help for further investigation).

    Regards,
    Bernhard

  3. #3
    Join Date
    08.10.2007
    Posts
    35

    Default Re: WebClient "controll cannot be started"

    Just FYI, this post express the most ports used by zenon!

    http://www.copadata.com/forums/showthread.php?t=156

  4. #4

    Default Re: WebClient "controll cannot be started"

    Hi Thomas,

    It is possible that during installation of the webclient, a third party anti-virus software with built-in firewall blocked access to the zenAdminSrv.

    Another possibility could be that the zenAdminSrv is not running.

    Another possibility is that the port that is used by default by the zenAdminSrv, is used by a different process. In 7.20 it is possible to configure the ports used by services through the startup tool. Here you can also assign a network card.

    For the zenAdminSrv it is recommended to assign the local loopback adapter.

    Best regards,
    Mark

  5. #5
    Join Date
    27.08.2008
    Posts
    50

    Default Re: WebClient "controll cannot be started"

    Hello!

    Thank you for all your fast answers.

    We just had to start the IE in Administrator mode and it worked.

    Greetings
    Thomas

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