NOW-DSC-DOMAIN_PERFORMANCE_MISSING_INDEXES

Missing domain-related indexes on tables 

Contact Customer Support to remediate missing indexes.

Provide audit details to customer support, if possible:

1. Log onto your instance.
2. Navigate to Domain Separation Center.
3. Select the Errors widget.
4. Open the Missing Indexes audit record.
5. In the bottom left, click Copy Details. The contents of the audit record will be copied onto your clipboard.
6. Paste those details into an incident to expedite customer support's ability to assess what's wrong.