Remote in to LCSOMGMT03 and launch Certify The Web
Select wifi.lcso.org > Request Certificate
File will be saved to C:\Tools\Cert Output
You will need the .pfx file but don't worry about copying it.
Navigate to the WiFi Controller
Open Configuration > PKI Management > Add Certificate
Open 'Import PKCS12 Certificate' section
Transport Type: Desktop (HTTPS)
Source File Path: Path to file (can be a network path like "\\lcsomgmt03\c$\Tools\Cert Output")
Certificate Password: 'WiFi Controller CTW PW' in Keeper
On the previous certificate, in the Used By column there are two options: Web Admin and Web Auth
Open one at a time and change the dropdown for 'Trustpoint' to the new certificate you have imported.
Make sure you are clicking these little dudes:
For Web Admin the field is on the left under HTTP Trust Point Configuration.
For Web Auth you must click global before seeing the dropdown next to Trustpoint