Let
(G,X)
be a Shimura variety of PEL type such that
G
Q
2
is a split
GSO
2n
group with
n≥2
. We prove the existence of the integral canonical models of
Sh(G,X)/
H
2
in unramified mixed characteristic
(0,2)
, where
H
2
is a hyperspecial subgroup of
G(
Q
2
)
.