Can a single UiPath background process run multiple instances simultaneously?

Hello UiPath Community,

I have a question regarding parallel execution of background processes in UiPath.

Can a single background process run multiple times at the same time on the same machine?

I have enabled starts in background property in project settings.
Using unattended runtime.
But still the jobs getting queued.

Thanks.

Hi @s.dineshbabu

A single Unattended Robot cannot run the same background process multiple times in parallel on the same machine unless you assign multiple Unattended runtimes/licenses. With only one runtime, additional jobs will queue.

If helpful, mark as solution. Happy automation with UiPath

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Hi @s.dineshbabu

No, you cannot run multiple background services at same time on same machine using 1 license.

You can only run 1 foreground and 1 background process at the same time on same machine from 1 set of credentials but that also requires 2 license. 1 license per parallel execution.

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@s.dineshbabu

You can run unlimited background processes but on Attend robot license.

On unattended robot license, you can run only one process at a time. Let it be a background process or foreground.

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@s.dineshbabu

You can run multiple times the same process..but it should have those many number of licenses to run..please check below for explanation

Cheers

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Hi @prashant1603765

Yes, a background process can run multiple times in parallel on the same machine, but only if you have multiple unattended runtimes available for that machine.

Even if Starts in Background is enabled, UiPath will queue jobs when there is only one unattended runtime. One runtime = one job at a time. To run jobs in parallel on the same machine, you need to assign more unattended runtimes to that machine in Orchestrator.

So the queuing you’re seeing is expected behavior if the machine has only one unattended license/runtime. Once you increase the number of runtimes, jobs should execute in parallel.

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