Register the two service providers (the preview server and the production server) with the identity provider. (Register both service providers with the same identity provider; do not create multiple identity providers.) Depending on the API or other tools the identity provider supplies for this purpose, you register the service providers either by uploading the service provider entity descriptor documents that you downloaded from Commerce Cloud, or by manually configuring the identity provider with the data from the documents.

Once you have registered the service providers, download the corresponding identity provider entity descriptors (one for each service provider). The identity provider entity descriptors should be Base64-encoded XML files. If the generated files are not Base64-encoded, encode them before you upload them to Commerce Cloud.