copy offload for SMB?

Richard Sharpe realrichardsharpe at
Fri Feb 22 10:20:21 MST 2013

On Fri, Feb 22, 2013 at 8:49 AM, Christopher R. Hertel <crh at> wrote:
> Ah...  You're right.  There it is.  The notes show that CopyChunk was added
> to W2K3, so it wasn't there in W2K or NT.  That's not quite donkey's years
> but it is well more than a few Wildebeest's weeks.  :)

Hmmm, according to this:

CopyFileEx on W2K08 uses IOCTL_COPYCHUNK.

Richard Sharpe

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