Roaming Profile:
You can logon to all the systems in the lan with your 
userid and password

Mandatory Profile:
You can able to logon only in particular system which is 
assigned to you

roaming profile :-

In the roaming profile user profile mean desktop realted 
setting such as wallpapers,desktop icons,task bar,menu 
item...
these user profile will be a traveling profile in the 
network.user and set any of his/her domain system and can 
log in and they will be get same profle and user can change 
and modify their profile setting

one example of roaming profile :-
yesterday i seat system number 20 which is in my domain,i 
login and done my work,i have IBM wallpaper on my 
desktop ,i have just changed with wipro wallpaper a new 
wallpaer and i loged off.

today i got system number 24,i login and i m getting 
my last changed wallpaper which is wipro wallpaper bez. 
user profile is getting store in server and user can change 
his/her profile setting.


Mandatory Profile:

it's bit differ with roaming profile.
here profile will be again travelling profile but user 
can't chnaged and modified any thing.only administrator can 
chnage and modify.

(if u want to get the step plz. mail me 
gauravstar2000@gmail.com)