Type the root password and enter single user mode.
Restart the mpxio-upgrade service.
# svcadm restart svc:/system/device/mpxio-upgrade:default
If this command is not successful, follow the instructions in the next section to recover your original configuration.
Prior to the Solaris 10 Update 4 OS, this service was known as svc:/platform/sun4u/mpxio-upgrade:default.