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Test that logging in with Azure AD works as expected. This will help identify if there are any issues with the configuration. Follow the steps to perform the login test.
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During the first login on an App Registration, you will be prompted to give consent for the integrated Atlassian application to read user data. If your organization has activated that admin consent is required for logins, your Azure AD administrator will have to consent on behalf of the organization, under App Registrations > your app > API permissions:
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