The error in SCCM typically indicates a network interruption during the WinPE phase . This often occurs when the boot image lacks the necessary Network Interface Card (NIC) drivers to maintain a connection once WinPE takes over from the initial PXE boot. Common Root Causes
By following these causes, fixes, and additional troubleshooting steps, you should be able to resolve the "unable to download PXE variable file, exit code 14" error in SCCM and successfully deploy the operating system to the client computer. unable to download pxe variable file. exit code 14 sccm
The most common cause: The boot image required for the architecture (x64 or x86) is not distributed to the distribution point (DP) acting as the PXE server. "Unable to download PXE variable file
PXE (Preboot Execution Environment) is a protocol that allows a computer to boot from a network location, rather than from a local hard drive. In SCCM, PXE is used to deploy operating systems to computers. When a computer boots from a PXE-enabled network, it downloads a boot image and then contacts the SCCM server to retrieve the necessary files for deployment. If it were a TFTP problem: The client