To renew the certificates for the HALO Link server
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You first need to find and then kill whatever is currently using port 80
netstat -ano | findstr :80
In the far right column, there should be a 2-4 digit number. Make a note of that.
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Run the command:
taskkill /PID PROCESSNUMBER /F -
Run certbot. Use the command
certbot certonly -d subdomain.domain.tld --standaloneIf you receive a message such as "You have an existing certificate that has exactly the same domains or certificate name you requested and isn't close to expiry." selection option 2.