Symantec Endpoint Protection Manager 12 - Wrong Password

I am having problem with my Symantec Endpoint Protection Manager 12, i left for vacation and some one change the password and when i came back, i could not log in, its lock then wait 15 min it open, i tried to send forget password but i recive the email after long time and when i click on the link to activate the temp password, it give me the link expire click on the latest link, please help.