"Your session has expired" message in Document Isolation Viewer

Products

• Web Isolation Cloud
• Web Isolation

Issue/Introduction

A document that is sent to Document Isolation fails to be displayed in the Document Isolation Viewer. The end user receives an error message such as “An error occurred. Your session has expired. Please download the file again.”

Environment

Supported browsers for Web Isolation

Cause

Third-party cookies are disabled or are configured incorrectly in the browser.

Resolution

In the following Tech Doc, complete the steps for the appropriate browser:

 https://techdocs.broadcom.com/us/en/symantec-security-software/web-and-network-security/web-isolation/1-16/Symantec-Threat-Isolation-Overview/Making-Sure-Third-Party-Cookies.html