"Where used" does not return a result - why?
Solution
The likelihood is that you defined the Scope as "Documents" for the SharePoint
2013 Search Service Application.
For Insight managed documents the scope "Local SharePoint Results" must be
used.
Notes and References
Hardware/Software Configuration
Platform: INTL64
OS: window
OS Version: 2012_R2
Product: SOLID_EDGE
Application: DOC_MANAGEMENT
Version: V109.0
Function: INSIGHT
Ref: 002-7008904