I switched PBA-S Provider to the new store. How do I switch Resellers to use the new store as well?
According to Enable New Store for Resellers:
After upgrade to version 4.3.3, the Store URL for new resellers keeps being generated basing on the old URL: https://<Management_Node_Name>/hspc, even if the Store URL specified in Provider Control Panel (Commerce Director > Store Manager > Configure Store)points to the new store (https://<Management_Node_Name>/shop). Thus, Provider should notify resellers that the new store is available, so that the resellers may correct the Store URL manually.
If old reseller's store "
https://<resellers_store>/hspc" is configured on a remote server, then new store should be installed there anew. Refer to PBA-S SDK guide for the detail about deploying of new online store on remote server in PBA-S 4.3 or PBA-S 4.5