We were in the process of finalizing the configuration of a 2120 with the next step being adding it to the FMC. The registration failed for unknown reasons. During the process, we restarted the device and subsequently lost all configuration with the exception of the management interface. It was my understanding the any changes to the Firepower device is saved after deploying unlike the ASAs which require writing the configuration to NVRAM.
Any insight would be appreciated.
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