Jira Cloud for Outlook: AADSTS90015: Requested query string is too long

Summary

This Knowledge Base article aims to address the Microsoft's error "AADSTS90015: Requested query string is too long" that may occur when using MicrosoftSingle Sign-On (SSO) directly from the Outlook Desktop Application or the Outlook Web Application, particularly when the account is not logged into the Atlassian platform.

Environment

• Jira Cloud

Cause

Microsoft imposes a limitation on the length of query parameters in a request, restricting them to a maximum of 2048 characters.

• Refer to the Microsoft documentation for more information: Microsoft - Request Limits -Configuration.

Solution

1. Install the add-on in the Outlook Desktop app and then close the application. (If it is installed already, remove it and re-install it).

2. Open a web browser and navigate to https://id.atlassian.com.

3. Select "Microsoft" from the SSO provider options.

4. Log in using your Microsoft account credentials.

5. Proceed to https://outlook.office.com.

6. Log in using the same Microsoft account you used to log in to the Atlassian platform.

7. Install the add-on in the Outlook Web Application.

8. Open the add-on and click "Connect Now".

9. Finish the configuration.

10. Once completed, return to the Outlook Desktop app, where the application will now be authenticated.