This functionality is experimental and may be changed or removed completely in a future release. Elastic will take a best effort approach to fix any issues, but experimental features are not subject to the support SLA of official GA features.
If you cannot connect to Elastic Maps Service from the Kibana server or browser clients, and you are running ECK with an Enterprise license, you can opt to host the service on your Kubernetes cluster. See also the Elastic Maps Server documentation.
The following sections describe how to customize an Elastic Maps Server deployment to suit your requirements.