Please follow this guide on in your Jira DC instance. Page Tree
Prerequisite
Please make sure that the server in which your Atlassian products run has access to the following domain: https://login.microsoftonline.com
This is a necessary step in order to validate the SharePoint users that are going to access the SharePoint Connector’s APIs.
Configure Allowlist
In order for SharePoint to communicate with Jira, you need to allow access from the desired SharePoint domain. Please refer to the documentation here on how to do this.
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