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hkazan May 4th, 2021 11:55 AM

Siemens-WinCC RT Professional v15.
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I'm working on TIA Portal v15, and Wincc RT Professional. My Pc works on Windows 10 Pro, and I have installed SQL server 2019.
The problem I'm facing is that QSL server (Wincc) is not running or is not able to start, so I can't compile or run my SCADA design.
Wincc RT Professional gives this error : Compilation not possible. The "WinCC" instance is either not running or not available.
I tried to start SQL server (Wincc) from SQL Server Configuration Manger, but it won't run.
Any help, on this problem?

JRW May 4th, 2021 12:07 PM

Does your project run or go to run mode on the development PC?
WinCC RT software is just for the pc without development

hkazan May 4th, 2021 01:41 PM

I designed and programmed the PLC, and HMI (KTP-1200 comfort). It was compiling and running normally. but when I add the WinCC RT Professional, all the project stopped due to the error mentioned above.

mk42 May 4th, 2021 02:34 PM

My understanding is that WinCC Professional V16 requires SQL 2016. My guess is an older Portal version (V15) wouldn't like a newer SQL version (2019).

I'd recommend calling tech support to see if you can get that sorted out. I have a feeling it would require reinstalling WinCC Pro at the very least, possibly uninstalling SQL 2019 as well.

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