>>>Hi All, does anyone know how to get the owner of a file resident on a Windows 2003 server ?
>>>
>>>I've tried using the FileInfo / FileSecurity / IdentityReference classes and invoking the GetOwner() method but it always returns "Builtin\Administrators"
>>
>>Why do you think what it is returning is wrong? I just tested a few of them using those classes and it returned the correct owner. I verified it by going into Explorer, right-clicking on the file and selecting Properties > Security > Advanced > Owner
>>
>>

>>// using System.Security.AccessControl;
>>// using System.Security.Principal;
>>
>>var fileInfo = new FileInfo (@"C:\Windows\System32\capiprovider.dll");
>>var fileAccessControl = fileInfo.GetAccessControl();
>>var identityReference = fileAccessControl.GetOwner(typeof(NTAccount));
>>// Contains file owner
>>// identityReference.Value
>>

>
>Hi Paul, I created a couple of txt files logged in as me, I ran the prog and it returned Builtin\Administrators - I checked using Explorer props and it's the same info - guess it might be permissions ?

There is a nice article here:
http://msdn.microsoft.com/en-us/magazine/cc163885.aspx

This example returns the same as you are seeing:
http://codeidol.com/csharp/csharpckbk2/Security/Obtaining-Security-Audit-Information/