IT BS Help

Troubleshoot account lockouts with this tool

in Servers

Download Account Lockout Tools available on the Microsoft Download Center. You will see how many attempts till lock out and if it is because of bad password or what and you can see what dc is looking their account at this should help you narrow it down quite a bit to make it easier to see where it is coming from.

Download Account Lockout Tool

or for Latest Version visit this link.