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Power Platform Community / Forums / Power Automate / New Designer preventin...
Power Automate
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New Designer preventing Power Flows from being Executed

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Hey everyone, I've been developing some pretty simple power flows to automate some of my M365 Lists (doesn't use any functions more complex than coalesce) and I don't receive any errors when I test the flow besides a notice saying "new designer can't be used for this flow yet" despite the toggle for new designer being turned off (pretty sure I'm still using the classic model yet it's using features from the new designer). See the attached snippet about what I'm referring to. 
 
Is this an issue for others or is there a work around to execute power flows when getting this notice? Any help or advice is welcome!
 
Thanks!! 
Error Notice.png
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  • Verified answer
    David_MA Profile Picture
    14,956 Super User 2026 Season 1 on at
    What indication do you have that your flows cannot be executed? The warning message just says you cannot edit the flow in the new designer. It does not say they will not work. I have a number of flows that can only be edited in the old designer and they run without any issues.
     
    Have you checked the flow run history? If so, are there no runs listed? If so, did you check that the flow did not get turned off for some reason. If there are no flow runs, and it is turned on, what is your trigger action and do you have any trigger conditions. You said you have been doing testing, and it is working. Therefore, the concern seems to be around the notification. Unless Microsoft announces that access to the old designer is going away, I would not be too concerned for now.

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