Unanswered: Drop login and associated users/aliasses
Dropping a login also requires to drop previously all users and aliasses mapping the login in the different databases where that login has access. This can be a tediuos task for dataservers that concentrate a huge number of databases and account administration is an important matter. In particular, when you have to migrate logins to a new server, it shoud be easy to drop the logins from the source server as they are no longer used.
The script attached helps you to drop the specified login from the server, by searching a user or alias mapping in every database and dropping it first before the login can be finally dropped.