Certificate issue with Google Chrome after Geotrust reissue

^{Created: 2018-12-16 22:43:27 | Last modified: 2018-12-17 00:01:33} ^{| By: Nova}
^{Access: Read}^{| Visibility: Public}^{| Views: 90}^{| Rating: N/A}^{| Tags: errsslpinnedkeynotincertchain symantec linux nginx}
When getting the error ERR_SSL_PINNED_KEY_NOT_IN_CERT_CHAIN inside Chrome. This was due to a Symantic SSL certificate reissue

We upgraded the certificates on some of our servers when we had to have them reissued from GeoTrust. We were getting the following error message in Chrome "ERR_SSL_PINNED_KEY_NOT_IN_CERT_CHAIN" after the certificates were installed.

How to resolve inside Chrome;

Press CTRL+SHIFT+J to open DevTools
Right click the reload button, select Empty Cache and Hard Reload
You can now close DevTools and the page should continue as normal

How to resolve inside Firefox

Close Firefox
Open the profiles folder by typing %APPDATA%\Mozilla\Firefox\Profiles\ into the start menu search box and open the folder as found in the search results
Open the file "SiteSecurityServiceState.txt" from the profile folder
Remove the lines that include the site domain
Open Firefox