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Each task that is submitted, triggers a job on the background that processes the task instructed. You will see a progress bar on the screen, indicating the status of the task at hand.
You can use this feature to bulk delete Jira users or Jira Service Management customers
To delete JSM customer, please ensure that you have a JSM application available on your site
Where to find an accountId? See How to export a user accountId
Please note that a deletion of Atlassian cloud user is only possible if the user is not collaborating on an active issue, see more info our F.A.Qs