Issue When External/Custom users investigated against Broker/Concentrator, "Failed to retrieve meta keys" error shown in investigation page as below.
Cause This issue is due to native connection(without ssl checked) used to add services in Security Analytics.
Resolution Please follow below steps to resolve the issue.
Login to GUI as admin.
Select the service and Click edit.
make sure SSl option checked as below and Click save.
5. Login as Custom/External User and Verify investigation page shows the meta now.