A client license can be applied to a node serving as a connection hub (EnterpriseSCHEDULE installed but not active). In this case, click More options… > Obtain Client License. The server will be licensed as a client.
See Also
Licensing Servers using the License Manager
Logging into the Server to view Current License Status
Licensing EnterpriseSCHEDULE on the selected Server
Obtaining a two week (Disaster Recovery) License
Request a Server License
Obtain a License manually using the ISE Website