概念
Field Server Licensing Overview
Device Administrator is used to manage licenses on field servers.
Software and Features that Require Licenses
A number of software features need licenses.
有关更多信息，请参阅 Software and Features that Require Licenses .
Entitlements, Products, and Licenses
Licenses are bought as products and delivered in Entitlements. An Entitlement is a container that can contain several products. The products contain the licenses and they can differ in quantity and contents.
Field Server Licensing Workflow
Use one of these workflows, depending on if the field servers are connected or not connected to the Internet.
有关更多信息，请参阅 Field Server Licensing on Field Servers Connected to Internet Workflow .
有关更多信息，请参阅 Field Server Licensing on Field Servers not Connected to Internet Workflow .
Certificates
It is recommended to use HTTPS for the communication between Device Administrator and field servers when you manage licenses.
有关更多信息，请参阅 Certificates Managed using Device Administrator .
Return Licenses on Field Servers
You can return licenses from field servers.
有关更多信息，请参阅 Return Licenses on Field Servers .
Software and Features that Require Licenses
Field Server Licensing on Field Servers Connected to Internet Workflow
Inherited Licenses
Field Server Licensing on Field Servers Connected to Internet Workflow
Field Server Licensing on Field Servers not Connected to Internet Workflow
Certificates Managed using Device Administrator
Return Licenses on Field Servers