Troubleshoot Active Users (License Usage) data

1. Check if anonymous report is enabled   On your tenant, this scrambles all data and makes usage stats impossible to retrieve. (Moreover stats data are still available in clear in many places on Microsoft Portal like: Teams Admin Center, Exchange Admin Center, Azure AD Admin Center. 

Connect to Microsoft Admin Center - Settings - Org Settings – Reports 

Verify that settings like in the picture below: 

2. Check Exchange Activity 

Exchange Last Date is a complex matter on the Microsoft side, it is revised continually. Now the most precise information is retrieved from Graph and it's available in the Exchange Activity Report:  
https://portal.coreview.com/Admin/20210104132649/#/exchangeReports/ExchangeEmailActivity 

This date is updated by Microsoft if there are Mail Read or Mail Sent in the selected date range. 

This data are retrieved from Graph API: https://docs.microsoft.com/en-us/graph/api/reportroot-getemailactivityuserdetail?view=graph-rest-1.0#response  

Last activity date refers to the last time the user performed a read or send email activity. It is mapped on the field Last Exchange User Action Date. 

https://docs.microsoft.com/en-us/microsoft-365/admin/activity-reports/email-activity-ww?view=o365-worldwide#interpret-the-email-activity-report  

Note: it can happen that a User’s Disabled (Blocked Credentials) are marked as active in CoreView, this means that another user is accessing their resources (mainly happening for Mailboxes, OneDrive) 

3. Check Teams Activity 

Teams Activity is retrieved from Teams Users Activity Report: 

This date is updated by Microsoft if there is any user interaction with Teams 

This is mapped on the field Teams Last Activity Date 

Last Activity Date (UTC) refers to the last date that the user participated in a Microsoft Teams activity. 

https://docs.microsoft.com/en-us/microsoftteams/teams-analytics-and-reports/user-activity-report 

Note: opening client is not considered activity.     

4. Check OneDrive Activity 

OneDrive Activity is retrieved from OneDrive Activity Report https://portal.coreview.com/Admin/20210126124053/#/OneDriveReports/oneDriveActivity 

This date is updated by Microsoft if there is any user interaction with OneDrive 

This is mapped on the field Last OneDrive Logon 

5. Check SharePoint Activity 

SharePoint Activity is retrieved from SharePoint Activity Report https://portal.coreview.com/Admin/20210126124053/#/sharepointReports/sharepointActivity 

This date is updated by Microsoft if there is any user interaction with SharePoint 

This is mapped on the field SharePoint Last Action 

6. Check Power BI Pro Activity 

Power BI Pro activity is not tracked by Microsoft in standard API / Reports. We are combining multiple sources of info to get last time a user with a Power BI Pro license has done any activity on Power BI (Here detailed list: https://docs.microsoft.com/en-us/power-bi/admin/service-admin-auditing)  

This date is mapped on the field PowerBI Last Action 

7. Check Dynamics 365 Activity 

Dynamics 365 activity is not tracked by Microsoft in standard API / Reports. We are combining multiple sources of info to get last time a user with a Dynamic license has done any activity on Dynamics 

This date is mapped on the field Crm Last Activity Date 

Note: Dynamics 365 must be configured to send audit to Microsoft Unified Log for this tracking to work 

8. Check Skype Activity 

Skype Activity is retrieved from Skype Activity Report https://portal.coreview.com/Admin/20210126124053/#/skypeReports/skypeActivity 

This date is updated by Microsoft if there is any user interaction with Skype 

This is mapped on the field Skype Last Logon 

Note: opening client is not considered activity. 

9. Check Yammer Activity 

Yammer Activity is retrieved from Yammer Activity Report https://portal.coreview.com/Admin/20210126124053/#/yammerReports/yammerActivity 

This date is updated by Microsoft if there is any user interaction with Yammer 

This is mapped on the field Yammer Last Activity Date 

10Check M365 Activity