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SharePoint scans failing the TLS handshake in Data Loss Prevention

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Article ID: 173706

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Updated On:

Products

Data Loss Prevention Endpoint Discover Data Loss Prevention

Issue/Introduction

Symantec Data Loss Prevention (DLP) is failing the establish a handshake with the SharePoint 2016 server.
The Wire Shark trace does not show any indication of a TLS handshake.
This started sometime after upgrading DLP from 14.6 MP3 to 15.1.
Initially, after the upgrade, the handshake was occurring as expected.
 

Cause

Unknown change on the network.

Environment

DLP 15.1
SharePoint 2016

Resolution

The solution was to ensure the domain name preceded the DLP Service Account name in the System-Settings-Credentials (separated by a \)..
   <domain_name>\<DLP_Service_Account_Name>