Suggested by David Simon – New
5/24/2025: SAVE THESE REPORTS. Even though they were ok they are more reliable than what I've seen in PPAC to date.
Unfortunately: As part of 10.0.42 Quality Updates (10.0.2095.161) they have deprecated and taken away "the most reliable source".
Check out Update ID 1019980
Title: Limit visibility of user license reports
Solution: As part of user license enforcement several reports will be deprecated. Those are following:
System administration > Inquiries > License > User License Counts
System administration > Inquiries > License > User License Counts History
System administration > Inquiries > Security > License reports > User license estimator