To register an appliance
Navigate to Appliances > Appliances page.
The Appliances page lists all the appliances and its registration status.
Hover on the Appliance which you want to register and click Register icon.
The Registration pop-up screen is displayed.
Click on Generate Secret Key.
Copy the Secret Key and keep it somewhere to paste into the SMA 100 appliance later.
Log into the SMA 100 appliance.
Navigate to System > Administration.
Scroll down to CSC MANAGEMENT AND REPORTING group.
Enable the Enable CSC Reporting option.
Paste the authentication key into the Authentication Key field.
Click Accept.
Return to the Appliance > Registration page on the SMA Cloud.
Verify that the registration status for the appliance you updated changed from Registered to Online.