Run unattended desktop flows concurrently with two distinct users....

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Posted on by LukeDarko

Han Anyone been able to do this...
Run the same Desktop Flow (unattended) concurrently with two distinct users....

Run desktop flows concurrently - Power Automate | Microsoft Learn

We have tried several approaches without success. For us it doesn't make sense just to add VM and more VM...we want at least 2 distinct user connection to connect to same VM and run the Desktop Flow at same time...

We have tried several ways....but the Power Automate just Queues them as normal and doesn't understand that they can ran at least 2 at the same time...

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Power Automate Desktop

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trice602 16,071 Super User 2026 Season 1 on at

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Hi @LukeDarko ,

Correct. It is one flow per license in unattended mode.

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Deenuji_Loganathan_ 6,250 Moderator on at

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@LukeDarko
The Power Automate Desktop system designed such way. Should you wish to run your workflow concurrently with two sessions, you'll need to acquire two Power Automate process licenses ($150 per month per bot/machine).
You have a 24/7 window available. If your bot successfully completes the entire workflow within this timeframe, you can utilize the same license for running other bots in unattended mode.

Else you can also consider Hosted RPA options where you don't even require any physical machine at your end. Microsoft automatically take care of workload also. Please refer the below link to explore this option.

https://learn.microsoft.com/en-us/power-automate/desktop-flows/hosted-rpa-overview

Thanks,
Deenuji Loganathan 👩‍💻
Automation Evangelist 🤖
Follow me on LinkedIn 👥

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Agnius Bartninkas Most Valuable Professional on at

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Regardless of how many VMs you have, or user sessions, as @Deenuji correctly pointed out, you are very likely limited by your licensing. A single Power Automate Process license only allows one unattended flow to run at a time. So, even if you have machines available, or you have a server machine that supports several active user sessions, you will not be able to run them in parallel if you only have one license. You will need to purchase a Power Automate Process license for each instance of a parallel unattended flow run.

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LukeDarko 22 on at

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Hi @Agnius and @Deenuji
We actually have 2 users with the Power Automate unattended license. We are using Azure VM with Windows Server 2019 and we have called the Flow using both users and it always queues up...does run at same time.
Have you been able to do this?

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Deenuji_Loganathan_ 6,250 Moderator on at

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@LukeDarko
I believe that the license allows for running a single session per machine. If you wish to run two sessions concurrently, you would need to utilize two separate machines.

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Agnius Bartninkas Most Valuable Professional on at

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As I have replied to you under a different thread, you will need separate connections for the two users, because the user is defined in the connection.

But the connection that the Run desktop flow action uses is not a dynamic value, you cannot dynamically choose which machine to run the flow on (this is only possible with machine groups, but then you must use the same user account on all of the machines in the group). As such, the best approach for you would be having two separate cloud flows that run the desktop flow on the two different user accounts, using different connections.

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LukeDarko 22 on at

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Hi @Agnius
Yes we are using machine group that has currently 4 VM. We want each of these to process 2 POD flows at the same time. What we did in the cloud flow is put a RADOM between 1-10, if <= 5 call "Run desktop Flow" using the User 1 connection and if > 5 call "Run desktop flow" using User 2 connection.

Just to confirm you are saying this will not work with Machine groups? Or as we did it...it should work?

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Azhar786 2 on at

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Hi Agnius,

Can you please explain the difference between Power Automate Unattended RPA VS Power Automate Process License ?

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