EMDI is enabled but detecting more than defined in the data validator.
Agent logs show error:
Detection.EMDICheck | None of the profiles are loaded for this validator or no lookup are executed, failing open | EMDICheck.cpp(112)
DLP 15.x, 16.x
Set EMDI.EnabledOnAgents=true on both enforce and the detection servers:
C:\Program Files\Symantec\DataLossPrevention\DetectionServer\16.x\Protect\config\Protect.properties
and
C:\Program Files\Symantec\DataLossPrevention\EnforceServer\16.x\Protect\config\Protect.properties