Can multiple runbooks run simultaneously in an azure automation account?

Question

Can multiple runbooks run simultaneously in an azure automation account ? If yes, how many?

I have checked the microsoft documentation but I couldn't find anything relevant. From my experience, i have seen a runbook can be completed while another is in running status.

But I see that the runbooks are queued. Is there a limit for simultaneous runs? If yes, can it be increased?

Answer 1

Can multiple runbooks run simultaneously in an azure automation account? If yes, how many?

Yes, more specifically, it should be runbook jobs instead of runbooks, starting a runbook in Azure Automation creates a job, which is a single execution instance of the runbook.

And runbooks in Azure Automation can run on either an Azure sandbox or a Hybrid Runbook Worker , they have different limits, if you start your runbook in the portal, it uses Azure sandbox.

For Azure sandbox:

For Hybrid Runbook Worker:

Reference - https://docs.microsoft.com/en-us/azure/azure-resource-manager/management/azure-subscription-service-limits#automation-limits

But I see that the runbooks are queued.

The status Queued does not mean the runbooks are waiting for the running jobs to complete, Azure Automation assigns a worker to run each job during runbook execution, they are just waiting for the worker.

Reference - https://docs.microsoft.com/en-us/azure/automation/automation-runbook-execution#job-statuses

Is there a limit for simultaneous runs?

Yes, as mentioned above, there is a limit 200 for simultaneous runs per automation account for Azure sandbox.

If yes, can it be increased?

No, it cannot be increased.