Permission denied when changing root password after reset

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Old 06-25-2010
Permission denied when changing root password after reset

I have a Solaris 10 machine that I didn't know the root password to so I went into single user mode and removed the password from the shadow file and rebooted and I am able to login with no password now.

But my problem is that when I try to change the root password from no password to something else, I get permission denied and not sure why?

Is there anything I can do to allow me to change the password from nothing to something of my choosing?

Thanks for any assistance
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pwconv(1M)                                                System Administration Commands                                                pwconv(1M)

pwconv - installs and updates /etc/shadow with information from /etc/passwd SYNOPSIS
The pwconv command creates and updates /etc/shadow with information from /etc/passwd. pwconv relies on a special value of 'x' in the password field of /etc/passwd. This value of 'x' indicates that the password for the user is already in /etc/shadow and should not be modified. If the /etc/shadow file does not exist, this command will create /etc/shadow with information from /etc/passwd. The command populates /etc/shadow with the user's login name, password, and password aging information. If password aging information does not exist in /etc/passwd for a given user, none will be added to /etc/shadow. However, the last changed information will always be updated. If the /etc/shadow file does exist, the following tasks will be performed: Entries that are in the /etc/passwd file and not in the /etc/shadow file will be added to the /etc/shadow file. Entries that are in the /etc/shadow file and not in the /etc/passwd file will be removed from /etc/shadow. Password attributes (for example, password and aging information) that exist in an /etc/passwd entry will be moved to the corre- sponding entry in /etc/shadow. The pwconv command can only be used by the super-user. FILES
/etc/opasswd /etc/oshadow /etc/passwd /etc/shadow ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
passwd(1), passmgmt(1M), usermod(1M), passwd(4), attributes(5) DIAGNOSTICS
pwconv exits with one of the following values: 0 SUCCESS. 1 Permission denied. 2 Invalid command syntax. 3 Unexpected failure. Conversion not done. 4 Unexpected failure. Password file(s) missing. 5 Password file(s) busy. Try again later. 6 Bad entry in /etc/shadow file. SunOS 5.10 9 Mar 1993 pwconv(1M)

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