SCCM

SCCM 2012 – How to increase TFTP / PXE boot speed

By default, System Center Configuration Manager 2012 use a small TFTP block size, 512 bytes. This behavior is set to be compatible with all network configuration, but the result is that the PXE boot speed can be slow using Operating System Deployment with SCCM.

SCCM TFTP

SCCM TFTP

We can resolve this problem by adding a registry key on the PXE Server. Modification must be made on PXE Distribution Point.

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