UserName showing up as DomainName\UserName

http://sharepointpolice.com/blog/2010/12/06/username-showing-up-as-domainnameusername-instead-of-full-name-in-sharepoint-2010/

Set-SPUser -Identity ‘Domain\Name’ -DisplayName ‘Full Name' –Web http://SharePointServer

Set-SPUser -Identity ‘Domain\Name’ –Web http://SharePointServer –SyncFromAD .

Notes: If logged in to Trusted Site --> gets exact AD info, otherwise domainname\username