On 10th November 2016 a SSL related bug has been reported for Chrome 53.x. The bug results in Chrome 53.x not accepting some SSL certificates under certain circumstances (browser-build older than 10 weeks, SSL issue date after June 1st 2016, certificates issued by Symantec Group). Error Message: ERR_CERTIFICATE_TRANSPARENCY_REQUIRED.
We recommend all customers updating to Chrome 54.x which has been released on October 12th. The issue has been resolved with Chrome 54.x
Solution: Update to Chrome 54.
Thursday, November 10, 2016