Configure App URLs
After the Zone Configuration, We need to Configure App URLs. Follow the steps below.
Open Central Administration > Apps > Configure App URLs link
You will get the following page.
Enter the Zone Names here.
Please note that my case is:
- Machine name is sharepoint
- Domain name is windows.net
- FQDN is sharepoint.windows.net
- App Domain name is sharepointapps.net
Save changes. Now you can proceed with next steps.