1) Issue a Stop A or halt the system.

2) Insert Solaris 10 DVD. At the OK prompt enter:

ok# boot -s

3) Determine the boot disk partition and mount it.

> mount /dev/dsk/c0t3d0s0 /a (or whatever your mount point is)

> cd /a/etc

> TERM=vt100

> export TERM

> vi /etc/shadow and remove root’s encrypted password string so its colon to colon (::)

> cd /

> umount /a

> init s

4) Login as root with no password and set the new password.

> passwd root