I need help with a script to pull information from AD

I found a script that is suppost to login and logout information.  I need to find login and logout information about a user and the event logs don't go back that far.  I would think that AD would have that information.  Here is the script that I have.  I am useing Server 2008 R2 SP1.  I would like some help to figure this out.  I know that the computer is wrong but, I don't know have to intergrate the user.  I will be using the SAMname.  The information is from a month back.  I am not sure how long AD keeps that information.

$UserProperty = @{n="User";e={(New-Object System.Security.Principal.SecurityIdentifier
 $TypeProperty = @{n="Action";e={if($_.EventID -eq 7001) {"Logon"} else {"Logoff"}}}
 $TimeProeprty = @{n="Time";e={$_.TimeGenerated}}
 Get-EventLog System -Source Microsoft-Windows-Winlogon -ComputerName $Computer name goes here | select $UserProperty,$TypeProperty,$TimeProeprty

Thanks for your help.
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LearnctxConnect With a Mentor EngineerCommented:
If you haven't documented it with your logon script or have not been scrapping the eventlogs then you won't be able to go back and view the history. I know for us, the event logs on our domain controllers hold logs for around 1-2 minutes before rolling over. We use software to grab the logs and record them into a SQL database. We also have logon and logoff scripts which write back to other databases recording when users are logging on and off.
download AD info free Edition it has pre built scripts to do this for u automatically...

saves u time writing your own....

FAC_ITAuthor Commented:
That looks like a nice product but, I need the login history of a user.
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