>>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
>

Can I ask you about the use of the Var type there? I know that was a new feature in C# 3.0 but thought it was for occasions when the type is unknown at compile time. Given your expertise I am sure there is a good reason.