While a download is in progress this will always be 'no-error'. After a download is complete this indicates the success or failure of the download. If it is anything other than 'no-error' then 'avGenOpLastFailureDisplay' will contain a textual description of the error. Error codes from 100 upwards are errors returned from a TFTP server. errors below this are locally generated. Configuration files may return errors after download as a result of reading a config file into the system. confFileGenErr - General (unknown error) confFileParseError - Reading of config file resulted in parsing errors. confFileExecError - Reading of config file resulted in execution errors. sshServerAuth - SCP server failed to authenticated himself to a device. sshDeviceAuth(109)- device failed to authenticate to the SCP server (unknown user/bad password) badChainOfTrust(201) - Failed to authenticate the download with Trusted Certificate Root Authority badChainOfTrustFormat (202) - Not supported chain of trust format notCodeSigningAuthority (203) Software image was signed by non-authorized Certificate Authority illegalDSA (204) - Software image is signed with non FIPS 140-2 certified algorithm badPublicKeyFormat(205) - Not supported public key format. illegalDSKeySize(206) - Software image is signed with non FIPS 140-2 certified key size badDSFormat(207) - Not supported digital signature format authDSFailure(208) - Failed to authenticate digital image signature New Errors use for with announcement files: readOnlyFile(15) - For cases where management system tries to erase/delete file which is read-only. emptyFile(16) - When trying to erase/upload file that does not exists or size with size 0. noEnoughFreeMemoryLeft(17) - When trying to download a file to the device and there is no place left to it. fileAlreadyExistsInDirectory(18) - when trying to download file which already exists in the directory (in one of the other AvGenAppFileTable rows, if we want to update it we need to use the same row in the table).