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Support Article

Error on accessing Pega Chat widget on the Chrome browser



Error occurs on accessing the Pega Chat widget on the Chrome browser. The issue occurs while using Pega Chat 8.3.0 on Pega 8.3.1

Error Messages


Steps to Reproduce

Open the Pega Chat widget.

Root Cause

A defect in Pegasystems’ code or rules. A security patch released by Chrome blocks the Cross-site Cookies unless a cookie has a same-site attribute set to None.


  1. Upgrade to Pega 8.3.1
  2. Add the below Dynamic System Setting (DSS): 
    DSS: security/csrf/samesitecookieattributevalue
    value: none



Published March 25, 2020 - Updated December 2, 2021

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