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Azure Dev Ops Pipeline 'This task is no longer installed.' Error

I was trying to fix an issue with my build pipeline in Dev Ops, but for some, reason all the tasks on all the pipelines have been removed. I get the error 'This task is no longer installed' on all tasks.

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I have tried to revert the pipeline to the last good known configuration, with no success.

Also, I am unable to remove the task and reinstall them as they do not appear in the task list.

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Any help is greatly appreciate as it is driving me insane!

UPDATE

Here is the setting for the Pool

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Solution

  • After some help in the form of an Azure Support Ticket, the solution as simple.

    Go to your Organization Settings > Pipeline > Settings and make sure that Disable built-in tasks is disabled

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