Further Information that may be of value: The underlying error
Code Block | Current device configuration requires an alternate installer to perform the update.: [com.apple.MobileSoftwareUpdate.preflight.error(Preflight):12|Unknown Error Indication|]" UserInfo={SUMacControllerErrorIndicationsSummary=|Unknown Error Indication|, SUMacControllerErrorIndicationsMask=8, SUMacControllerErrorIndicationsDescription=-> Current device configuration requires an alternate installer to perform the update., NSUnderlyingError=0x127605c60 {Error Domain=com.apple.MobileSoftwareUpdate.preflight.error Code=12 "The base build is not compatible for this install method." UserInfo={NSLocalizedDescription=The base build is not compatible for this install method., NSLocalizedFailureReason=The base build is not compatible for this install method., MSUPreflightAlternateInstallerRecommended=true}}, NSDebugDescription=[SUMacControllerErrorPreflightPrerequisiteCheckFailed=7722] Failed to perform PreflightPrerequisite operation: com.apple.MobileSoftwareUpdate.preflight.error(Preflight):12 | The base build is not compatible for this install method. |
Suspect that it has to do with going from the base install to Beta 4, and the preflight is failing.
Digging deeper, it appears that though Software Update is showing this available to the DRK hardware, it does not include DTK required assets.
