Siemens Industry Online Support
Siemens AG
Entry type: FAQ Entry ID: 93840334, Entry date: 06/10/2014

Why can the HTML pages no longer be displayed in "Install" mode of the SIMATIC camera systems VS130, MV420 and MV440?

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When installing the Java Virtual Machine (Java VM) version V7 Update 45 and higher, the default security settings for signing with Java have been increased. You get the following screen when you start the installation page.

Fig. 01


  1. Open Java Settings in the Control Panel.
  2. In the Java Control Panel you open the "Security" tab and set the security level to "Medium" and then confirm with "Apply".

    Fig. 02

    Here you are only reducing the security level of Java; the security settings of your operating system remain unaffected.
  3. Restart your internet browser.
  4. Now you can install your camera system again (you might have to confirm another security warning).

Security notes
Siemens offers products and solutions with industrial security functions which support the secure operation of plants, solutions, machines, devices and/or networks. They are important components in a comprehensive industrial security concept. The Siemens products and solutions continue to be developed under this aspect. Siemens recommends that you keep yourself regularly informed about product updates.
For the safe operation of Siemens products and solutions it is necessary to take appropriate security measures (cell protection concept, for example) and to integrate each component in an overall industrial security concept which is state of the art. This should also cover the third-party products used. Additional information about industrial security is available at:
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Security information
In order to protect technical infrastructures, systems, machines and networks against cyber threats, it is necessary to implement – and continuously maintain – a holistic, state-of-the-art IT security concept. Siemens’ products and solutions constitute one element of such a concept. For more information about cyber security, please visit