Slow Gigabit write speed to Server 2008 from XP computers

Hi all,

Having an annoying slow Write speed between XP desktops and Server 2008 R2

All PCs are domained

XP to Windows 7 - Full Gigabit read and write speed.
Windows 7 to XP - Full Gigabit read and write speed.

Windows 7 to Server 2008 - Full Gigabit read and write speed.
XP to Server 2008 - Full gigabit read, 20-60 write speed.

Server 2008 to XP - Full gigabit read and write speed.

Physical xp pcs, all the same, every single one can only achcieve gigabit reads, but not gigabit writes.

Any solution? other than replacing all of the xp machines?

registry fix etc?
GordonRaeAsked:
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Dave BaldwinFixer of ProblemsCommented:
Check to see if they are using IPV6 on the XP machines.  I found on my XP machines that IPV6 is much slower than IPV4.
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GordonRaeAuthor Commented:
Hi Dave,

Thanks for the quick reply,

I had a look but none of the xp pcs have IPV6 on the network card properties. :(

Any more ideas?
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GordonRaeAuthor Commented:
The solution was write caching on the server for me anyway.

Device manager > Hard drive > Right click > properties and enable the write cache.
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GordonRaeAuthor Commented:
It worked for me
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