If the error occurs immediately after loading the boot image, the issue often relates to how TFTP handles data packets. If the TFTP Block Size configuration is too high, network switches may drop the fragments, causing the file download to fail with Exit Code 14.

-> Confirm the client's current IP range belongs to a working Boundary Group.

No reply. Of course.

In practical terms, the client is saying:

Redistribute the boot image and the associated OS image and task sequence references.

Once it finishes, right-click the Boot Image, select Properties , and check the Data Source tab to ensure the version matches the updated package. Phase 5: Known Hardware Quirks (e.g., USB-C Adapters)

In SCCM, the error with Exit Code 14 (often paired with hex code 0x8004016c ) indicates that the Windows PE environment has loaded but cannot establish a network connection to retrieve the environment data ( variables.dat ) from the Management Point or Distribution Point. Primary Causes & Solutions

If WinPE does not have the correct network driver for the machine you are imaging, it cannot assign an IP address or talk to the Management Point.