Enterprise Search server does not provide a way to configure trusted certificates when interacting with 3rd party services that use a self-signed certificate authority.

This applies to all versions of Enterprise Search server.

Enterprise Search server does not support cross-cluster replication.

This applies to all versions of Enterprise Search server.

Restoring a snapshot to another deployment on Elastic Cloud has limitations due to encryption keys.

For details, see Restoring a snapshot across deployments in the Elastic Cloud documentation.

This applies to all versions of Enterprise Search server.