TheProblem

During the licence registration process you see this dialog from version 1.0.6.9 onwards: (Windows example shown, similar for macOS)

Or this one for earlier versions:

Cause

There are several reasons why this might happen:

1. You're connected via VPN.
2.  The ICMP Ping request to our domain at brightcarbon.com is failing due to your environment's configuration.
3. Your AntiVirus app is blocking access to the REST API at brightcarbon.com.
4. A network protocol app is preventing access to the REST API.
5. You organisation's IT policy is blocking VBA access to calls to the REST API via https.
6. The SSL route to https://brightcarbon.com is being blocked by your firewall.

Note that BrightSlide does not use any other port other than 80 and 443.

Diagnosis

To check if you can reach the BrightCarbon licence server, follow these steps:

Windows

1. In Windows Search, type cmd and then click the Command Prompt app when it appears
2. Copy and paste the command below into the window that appears and press enter

curl https://brightcarbon.com/wp-json/licences/v1/alive

You should see something like this:

macOS

1. Press cmd + spacebar and type Terminal
   2. Open Terminal
   3. Copy & paste the command below into the Terminal window and press enter

curl https://brightcarbon.com/wp-json/licences/v1/alive

You should see something like this: