Ok, I am sure that this will stimulate some good discussion. I am involved with a project to do an Active Directory restructure. Part of this, is to upgade to a Windows 2008 domain, reorganize OU's and user accounts, and implement a new naming convention for users and groups. Currently we use a firstname then first letter of last name and add letters on to account for duplicates up to 8 characters i.e. Joe Smith is 'joes', if there is another Joe Smith that comes in later he would be 'joesi'. Fortunatly we have not run into the issue where we have multiple people with the same spelling of their first name and the first name is 8 characters long, i.e. Jannelle Smith would be jannelle. Thus you see some potential for some issues with our username convention. I was wondering what some of the best practices are out there and what people are using and what pit falls you have run across.