When a user is logged in through extension mobility and enters his username and password to access personal directory they always have to enter thier password every time they need to use thier personal directory however when ever a user is accessing thier personal directory without being logged in Extension mobility just as a regular user they only need to enter thier username and password once and can continue using thier personal directory.

Conclusion

1.Users have to enter thier username and password for thier personal directory every time they need to use thier personal directory whilst logged in extension mobility

2.If not logged into extension mobility users only have to enter thier username and password once to access personal directory and they can continue accessing thier personal directory without having to enter thier password again.