Suddenly, I can not connect any PC HMI application to S7-1200 (6ES7 214-1AG31-0XB0) via Ethernet.
Both HMIs, WinCC Advanced V11 SP2, and WinCC Flexible 2008 SP2
reports an error:
"missing user rights to write into registry"
Flex RunTime Error
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WinCC TIA Error
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TIA Prog OnLine & WinCC TIA Error
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