Request_UnsupportedQuery
This message shows up in 2 different situations. Pick the one that matches yours:
- directoryObject collections reject $select of user fields — and $top is a separate, per-endpoint trapUser fields on /members//transitiveMembers = 400; OData cast cures $select everywhere, $top stays per-endpoint (probe both)Cause and fix →
- $filter on /groups/{id}/members needs $count=true, not just ConsistencyLevelThe header is only half the recipe; a permanently failing call hid behind a best-effort catch as a "temporary outage"Cause and fix →