"Error 1709 Scheduled Scan resume failed" when running a DLP Network Discover scan on a Sharepoint site

Products

• Data Loss Prevention Network Discover
• Data Loss Prevention

Issue/Introduction

Three scans are scheduled nightly.
They ran as scheduled, but they did not complete.
The Enforce logs contain this error:

Error: 1709

Title: Scheduled scan resume failed

Description: Scheduled suspension failed for scan of Discover target {0}. {1}

Detail: Scheduled suspension failed for scan of Discover target Sharepoint Sites Bundle. Failed to contact the scan manager. Make sure Vontu Monitor Controller service is running.

Environment

Release : 15.x

Resolution

1. Restart the "Symantec DLP Detection Server Service" on the Discover Server.
2. Then restart the Enforce Server services.
   Restart DLP Enforce services in the correct order