How to change ROOT password.

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Operating Systems HP-UX How to change ROOT password.
# 1  
Old 02-21-2008
Question How to change ROOT password.

Hi, we have a HP-UX server of model 9000/800/rp4440. We have been trying to reset the root password but are in vain.I used the following command and also are the outputs which i have received.

# passwd
Changing password for root
New password:
Re-enter new password:
Unexpected failure. Password file unchanged.

# passwd root
Changing password for root
New password:
Re-enter new password:
Unexpected failure. Password file unchanged.

Kindly suggest.
If you need any info just ask.
# 2  
Old 02-21-2008
Run pwck and correct any error it finds in the passwd file. If it still fails tell us which version of HP-UX you have, whether you have a /etc/shadow file or not and whether or not the system is in trusted mode. Also post the passwd line and group line from /etc/nsswitch.conf.
# 3  
Old 02-23-2008

try to reset the password from SAM tool, it my help u.... many times helped me...! Smilie
# 4  
Old 02-25-2008
thanks ..... pwck worked .........
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