How to Resolve “No Hosted Parallelism Has Been Purchased or Granted” in Azure DevOps Pipelines

When running an Azure DevOps pipeline, you may encounter the following error message:

No hosted parallelism has been purchased or granted. To request a free parallelism grant, please fill out the following form https://aka.ms/azpipelines-parallelism-request

This error typically occurs when you’re using the Azure Pipelines service with the default free tier, but you haven’t been granted access to hosted parallelism. Azure DevOps provides hosted agents, which are virtual machines that execute your pipeline jobs. If parallelism isn’t available, your pipeline will fail to start or run successfully, as seen in the screenshot provided.

What is Hosted Parallelism?

Hosted parallelism refers to the ability to run multiple jobs or builds simultaneously on Azure-hosted agents. With a free account, access to hosted agents is not automatically granted, especially for public projects, and Microsoft requires users to request parallelism for open-source projects or limited free-tier usage.

Problem Explanation

In the screenshot, the pipeline failed with an error indicating that no hosted parallelism has been granted for the project. The pipeline…