We currently have our users in the system with a displayName of Last, First. When I try to do a search via spark with the Name field check the results results return “No search results were returned by the server”. If I uncheck name and search by e-mail or by username the results are returned and I can see the Name field as well.
Sometime I get a listing in the results, but still get a “No search results were returned by the server” message.
If I do an advance search on the server it works fine.