Since I've created a microsoft account, I've had to reset the password almost everytime I try to log on. I know I haven't forgotten the password because when I try to reset the password to the one I just tried to log on with, microsoft says I can't use my old password! Since I use only one password for all my non-critical business, this causes me to have to "update" all the passwords to other sites (like this one). Is there any way to use on "old" password, or is there some type of time-limit on it's forbidden re-use?