configuring the 'reset password' link on the scsm portal page

unless you follow steps to configure it, users will click that button and nothing will happen (other than refresh the page).  There are a few scripts floating that will handle but one supported method is to use Forefront Integration Manager (FIM) to handle the AD password reset.  This article has the process

https://technet.microsoft.com/en-us/library/ff460934.aspx