Required fields such as Summary and Issue Type have a little red asterisk next to them, which means they must have a value when you are creating or updating an issue. This is a great way to ensure users will not skip filling in important information.
We will look at how to make any fields of your choice required in this recipe, with field configurations. A field configuration controls the behaviors of a field; these include the field's mandatory requirements, visibility, renderer, and description.
Proceed with the following steps to make a field required in JIRA:
Log into JIRA as a JIRA administrator.
Navigate to Administration | Issues | Field Configurations.
Click on the Configure link for the field configuration used by the project and issue type.
Click on the Required link for Priority and Due Date as shown in the following screenshot:
