: Ensure the IssuingCertificateList registry key on the DP matches the one on the Management Point.
The variable file is typically downloaded over SMB (TCP 445) or HTTP/HTTPS (TCP 80/443) from the DP or MP. If your network team filters inter-VLAN traffic, the initial PXE boot (UDP 67,68,69) may succeed, but the subsequent file download fails. unable to download pxe variable file. exit code 14 sccm
So next time exit code 14 shows up, don’t just restart WDS. Smile. You’ve just met one of SCCM’s most famous—and fixable—deployment gremlins. : Ensure the IssuingCertificateList registry key on the