Defender for endpoint license - User or Device?

logan-dinesh hello, 

1) the MDE license plan 2 is per user 

2) your Office 365 A5 for faculty license doesn't contains any plan for MDE, you need to purchase it as an addon or to switch your current license to one of the mixed scenario's 

https://learn.microsoft.com/en-us/office365/servicedescriptions/office-365-platform-service-description/microsoft-365-education#office-365-feature-availability

https://learn.microsoft.com/en-us/microsoft-365/security/defender-endpoint/defender-endpoint-plan-1-2?view=o365-worldwide#mixed-licensing-scenarios

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