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Question on Flow Clashes

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Posted on by RookAils1

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Good day everyone, I have a question regarding flow clashes. Currently I have a desktop flow and a Scheduled Flow on cloud which runs the desktop flow that runs every hour. Lets say I manually run my desktop flow, while running, the scheduled flow also runs the same desktop flow, does one of them results in error ? and which one would it prioritize ?

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CU16071609-1 6,255 Moderator on at

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@RookAils1
As far as I understand, it operates on the FCFS principle (First come, First serve).

In the scenario below, I have a "testflow" that I executed locally and simultaneously, I assume a scheduled flow is invoking the same flow or another flow on the same machine. However, Power Automate Desktop prioritizes the flow that was called first (either local attended or cloud attended).

For instance, let's assume the local attended invoked "testflow" at 5:43:10 AM, and the Cloud attended invoked "testflow" at 5:43:11 AM. In this case, Power Automate Desktop prioritizes the local attended invocation, and the cloud attended invocation may be queued.

If both invocations occur at the exact same second, like 5:43:10 AM, it may consider microseconds, although such scenarios are very rare at the moment.

In simpler terms, it's like making web service calls where the server responds to the first request it receives, utilizing our virtual machine to execute our bot functionality. That's essentially how it works.

Hope this helps!!

If I've resolved your query, please consider accepting it as the solution and giving it a thumbs up to help others find answers faster.

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RookAils1 136 on at

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I see. In my case today, I was running locally and once the Scheduled Flow run, it messes up the local one resulting to an error then the cloud kind took over and continue the flow. I dont really know how to prevent it from happening again.

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CU16071609-1 6,255 Moderator on at

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@RookAils1

Could you please provide additional details regarding the following:
1. Are both the local run and cloud attended run invoking the same desktop flow, or are they utilizing different flows?
2. What specific error are you encountering? Could you share screenshots of the error message as well as screenshots of your desktop activity (as previously I posted in my above response), to provide a deeper understanding of your scenario?

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RookAils1 136 on at

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1. Yes, they're invoking the same flow.
2. I dont have access to that currently but it shows succeded on the Scheduled flow Status(like your screenshot). I recorded the flow logs on a note pad as below, I wrote the comments in ( ).

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CU16071609-1 6,255 Moderator on at

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@RookAils1

I believe it's a very rare scenario. Usually, if one flow starts running, another one needs to go into the queue only. I would request you to raise a ticket to Microsoft to investigate this further.

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