Problem

As a Jira Admin, you want to prevent a parent issue from being closed unless all sub-tasks are on a specific status.

Environment

• Jira Server/Data Center on any version
• For Jira Cloud, this article only applies to company-managed projects.

  • If the lower-left of your service project sidebar says you're in a team-managed project.

  • Learn more about the difference between company-managed and team-managed projects.

Solution

• Log in to Jira's administration screen: Cog Icon > Issues > Workflows.
• Select the workflow that you would like to add the condition and Edit.
• Select the transitions that leads to the Close status and click Conditions. In the example below, the condition will be added in the All > Done transition.

• On the next screen, click Add Condition and select Sub-Task Blocking Condition. Select the sub-task statuses required to allow parent issue transitions. 
• Publish the updated workflow.