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WinCC Unified ProDiag fault

7/26/2024 6:51 AM	Rate (0)
jack_Lee_84 Posts: 1 Rating: (0)	Hi all, I have a problem with WinCC runtime. I get an error on the screen that indicates I have a License issue with WinCC unified ProDiag. But I don't have a 1500 PLC in the project so I am not sure why it's looking for pro diag. Is there any way to clear this? Thanks Jack Attachment 20240726_074443.jpg (331 Downloads)
jack_Lee_84 Posts: 1 Rating: (0)
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2/21/2025 5:05 PM	Rate (0)
tiago_vieira Member Joined: 3/7/2022 Last visit: 7/14/2025 Posts: 5 Rating: (0)	Same problem

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2/24/2025 2:55 PM	Rate (0)
JimHalpert Joined: 7/11/2024 Last visit: 12/30/2025 Posts: 200 Rating: (27)	Hello I recommend you to check the reasons of this error message at this FAQ: Under what circumstances is a ProDiag license required in the WinCC (TIA) Runtime? I hope it helps you!
	If this post has been useful, don't forget to rate it!😊
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2/27/2025 11:47 AM	Rate (0)
Murof Platinum Expert Joined: 8/3/2009 Last visit: 1/16/2026 Posts: 16644 Rating: (1944)	Hello You can also read in the manual what are the reasons for the license information: https://docs.tia.siemens.cloud/r/en-us/v20/operating-unified-pc-rt-unified/controls-rt-unified/process-diagnostics-rt-unified/basics-of-supervision-with-prodiag-rt-unified Bye Murof
	If this Information really helps, you could use the Rate function
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