New answers tagged password
SharePoint Password Reset from the boostsolution having a feature which i believe solve you issue. For security reasons you can force users to change their password on their next logon. This not only enforces security, but also allows users to easily remember passwords they themselves changed. SharePoint Password Reset
Also you can consider solution from VirtoSoftware Password Changing (30-days free).
The following article seems to address pretty well multiple complex validation scenarios. Hopefully a link is worth a thousand words in this case! http://sharepointsolutions.com/sharepoint-help/blog/2011/12/how-to-use-or-type-options-in-sharepoint-2010-column-validation/
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