JCK-Runtime-15a SocketFactory Tests output "setTcpNoDelay failed" on latest Vista Build 5384

JAVA VERSION: 1.5.0_08-ea
JCK-Runtime-15a Build 11.
OS: Windows Vista Version 6.0 5384

The following javax_net tests are failing with 1.5.0_08-ea-b01 on latest vista build 5384.

api/javax_net/SocketFactory/index.html#SocketFactory005
api/javax_net/SocketFactory/index.html#SocketFactory004
api/javax_net/SocketFactory/index.html#SocketFactory003
api/javax_net/SocketFactory/index.html#SocketFactory002
api/javax_net/SocketFactory/index.html#SocketFactory001

See attached .jtr for full output of test run for SocketFactoryTest001

If you need access to Vista Build 5384 machine, please contact me and I can provide one for your convenience with full environment setup.

Note: This is not a regression, tests also fail with 5u7 FCS.