This script will help you to get the culprit along with IP address and User name which helps us to determine the Blocking root cause.
2015-10-14 (first published: 2013-12-08)
We are using sp_help_revlogin to make login script, but it doesn't enable the login which has sysadmin role. It is very common problem during server migration. We use the this technique to solve the issue.
2013-12-09 (first published: 2013-11-29)