Can we set it so people can't use the same password twice?

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# 1  
Old 01-08-2008
Can we set it so people can't use the same password twice?

If we have it so users accounts need a new password after 90 days is there a way to also say that after 90 days they need to use a new password and not let them use the same one twice?
# 2  
Old 01-08-2008
What is your operating system and version?
# 3  
Old 01-08-2008
Solaris 9 and 10.
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