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# Configuration descriptors

The configuration descriptor is a pre-loaded file in the Remote Manager server that specifies and defines the parameters to be displayed by Remote Manager for each device. The configuration and information options are different between different device types, and they may be also different for the same devices but running different firmware versions. For this reason, a configuration descriptor is tied to three specific device settings in Remote Manager:

- Vendor ID
- Device type
- Firmware version

This means that Remote Manager shows the descriptor that corresponds to the vendor ID, device type, and firmware version of the selected device. Multiple devices can share the same descriptor file as long as they are configured with the same vendor ID, device type, and firmware version. In order for a configuration descriptor to work:

- Configuration descriptor must be previously uploaded to the server for those device values. See Upload the configuration descriptor to the server.
- The device must be able to process Remote Manager configuration requests. So, the configuration descriptor is also tied to the code running in the device. See Create and modify descriptors.

- Multiple configuration descriptors can co-exist in your Remote Manager account for different combinations of vendor ID, device type, and firmware version.
- If a configuration descriptor is uploaded for the same vendor ID, device type, and firmware version values, the new configuration descriptor replaces the previous one.
- If the vendor ID, device type or firmware version change in the device, Remote Manager will try to find the new corresponding configuration descriptor for those values. If it is not found, settings and groups will fail to render. A new configuration descriptor must be uploaded to the server using the modified values. See Upload the configuration descriptor to the server.

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Configuration descriptors updated on 22 January 2018 02:43:37 PM