We've seen there are multiple issues while connecting to the ADRF6821-EVALZ using the ACE software. This is related to a corrupted EEPROM file. An example of the issue is show below:
In order to solve this issue please upload the correct EEPROM file (attached) using the ACE software. In order to upload the correct EEPROM file please use the EEPROM Recovery Tool under the Tools tab on the ACE software.ADRF6821_EEprom.zip