You must configure Azure Storage CORS:
- Go to your Azure Storage Account
- Open CORS settings
- Add your published site URL
- Configure:
- Allowed Methods:
GET,POST - Allowed Headers:
* - Exposed Headers:
* - Max Age (Expiry): e.g., = 36
00
- Allowed Methods:
This enables smooth communication between the Salesforce site and Azure.
For a detailed explanation, please refer to: https://satrangtech.freshdesk.com/a/solutions/articles/17000150864