Any later version of Solaris can be used to boot in single user mode
and mount the system disk in order to modify the hard disks /etc/passwd
file.
You can even download the Soalris inamges from the Sun website and burn
the image on CD or DVD and boot from it.
Regards,
Ed
  Adrian Graham wrote:
  Evening folks,
 Today I was given a Sun Enterprise Ultra 2 but the machine's been out of
 use
 for so long nobody can remember anything about it, which is handy.
 Googling
 tells me I need a Solaris install CD to change the root
 password....bummer
 since I don't have one. 
 I've got a couple of versions of Solaris on the shelf here - no idea if
 you
 need the same version as what's on the disk or not; providing the version
 on
 the CD understands the filesystem on the disk maybe it'll work...
 Can bring over when I come to get the PERQ and drop off those Sirius
 disks...
 cheers
 J.