Siemens Industry Online Support
Siemens AG
Entry type: FAQ, Entry ID: 20555055, Entry date: 01/26/2005

Why can WinCC/Web Navigator or WinCC/Dat@Monitor clients no longer connect to the WinCC/Web Navigator or WinCC/Dat@Monitor server?

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Security information
In order to protect plants, systems, machines and networks against cyber threats, it is necessary to implement – and continuously maintain – a holistic, state-of-the-art industrial security concept. Siemens’ products and solutions constitute one element of such a concept. For more information about industrial security, please visit
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