central manager logs are showing errors around deserialization of a get_file_for_cynic command
An error similar to the following may appear repeatedly in central_manager.log or in the logs within the user interface:
com.symantec.atp.model.command.CommandStateNotification$CmdType from String "get_file_for_cynic": value not one of declared Enum instance names: [delete_file, fdr_search, get_file, get_file_for_sandbox, fdr_full_dump, cancel, isolate, rejoin, eoc_search, fdr_process_dump, submit_to_sandbox, unknown]
Any of the following is present:
Update to SEDR 4.1.0, which contains a fix for this issue.