In accordance with the new Chrome Logic, Certificates that use a Custom Validity period with NotBefore date after March 01, 2018 and that are valid for longer than 825 days will not be trusted in Chrome 66. As a result the certificate will be shown as invalid.
Chrome 66 beta will be released on April 2018, therefore, customers are advised to reissue their certificates prior to the said date so as to comply with the Chrome logic, otherwise it won't be trusted.
|March 01, 2018||Chrome 66 won't trust certificates with NotBefore date|
|April 2018||Chrome 66 beta will be released|