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foreach (ManagementObject user in users) doesn't seem to be retrieving all local accounts

I use the following method to get all LOCAL user accounts on a machine. It finds 12 of them, but only processes the first one.
ObjectQuery wql = new ObjectQuery(#"SELECT * FROM Win32_UserProfile");
ManagementObjectSearcher usersSearcher = new ManagementObjectSearcher(wql);
ManagementObjectCollection users = usersSearcher.Get();
Console.WriteLine("Users: " + "[" + users.Count + "]"); // Reports 12
foreach (ManagementObject user in users)
{
Console.WriteLine("Checking User: " + GetNameFromSID(user["SID"].ToString()));
}
It seems that it used to report all accounts. Is there a surefire way to get this information?

how to format drive with 32KB cluster

I am not a C# programer but I need to format drive with 32KB cluster using C#. I found "Format method of the Win32_Volume class" but when I am trying to format drive I always get an error 15 (Cluster size is too small). This is my code:
public static int DriveFormatting(string driveLetter)
{
string FileSystem = "FAT32", Label = "";
Boolean QuickFormat = true, EnableCompression = false;
UInt32 ClusterSize = 32;
int result = -1;
ObjectQuery query = new ObjectQuery("SELECT * FROM Win32_Volume WHERE DriveLetter = '"+ driveLetter +"'");
ManagementObjectSearcher searcher = new ManagementObjectSearcher(query);
foreach(ManagementObject management in searcher.Get())
{
Console.WriteLine("Formating disk " + driveLetter + "...");
result = Convert.ToInt32(management.InvokeMethod("Format", new object[] { FileSystem, QuickFormat, ClusterSize, Label, EnableCompression }));
}
return result;
}
How can I do this? Thanks in advance.

Lenovo BIOS WMI - InvalidQuery

I'm about to create a tool which gets some system information.
Only the Lenovo BIOS (WakeOnLAN) request isn't doing what I want.
The debugger always stops with a "invalid request" error message.
I tried the following...
ManagementObjectSearcher searcher = new ManagementObjectSearcher("\\\\" + textBox1.Text + "\\root\\wmi", "SELECT * FROM Lenovo_BiosSetting WHERE InstanceName='ACPI\\PNP0C14\\1_0'");
ManagementObjectSearcher searcher = new ManagementObjectSearcher("\\\\" + textBox1.Text + "\\root\\wmi:Lenovo_BiosSetting.InstanceName='ACPI\\PNP0C14\\1_0'");
Code:
//LenovoWOL
public string GetLenovoWOL()
{
ManagementObjectSearcher searcher = new ManagementObjectSearcher("\\\\" + textBox1.Text + "\\root\\wmi:Lenovo_BiosSetting", "SELECT * FROM ACPI\\PNP0C14\\1_0");
foreach (ManagementObject wmi in searcher.Get())
{
try
{
return Environment.NewLine + wmi.GetPropertyValue("CurrentSetting").ToString();
}
catch { }
}
return "Unknown";
}
Only if I remove the InstanceName part, the code works.
Could someone if you tell me, what I'm doing wrong.
Thanks for your help
Adrian

I found a solution.
Here my code. It's not pretty but it works.
ManagementPath path = new ManagementPath()
{
NamespacePath = #"root\wmi",
Server = textBox1.Text
};
ManagementScope scope = new ManagementScope(path);
SelectQuery Sq = new SelectQuery("Lenovo_BiosSetting");
ManagementObjectSearcher objOSDetails = new ManagementObjectSearcher(scope, Sq);
ManagementObjectCollection osDetailsCollection = objOSDetails.Get();
foreach (ManagementObject MO in osDetailsCollection)
{
if (MO["CurrentSetting"].ToString().Contains("WakeOnLAN"))
{
string[] arr = new string[3];
ListViewItem itm;
//add items to ListView
arr[0] = "";
arr[1] = "WakeOnLAN";
arr[2] = MO["CurrentSetting"].ToString();
itm = new ListViewItem(arr);
listView200.Items.Add(itm);
}
}
Adrian

I'm using WMI in C# to get all the installed softwares but it doesn't show all the softwares only Microsoft ones

public ManagementScope GetScope()
{
try
{
//string classScope="winmgmts:" + "{impersonationLevel=impersonate}!\\" + strComputer + "\\root\\cimv2";
string serverString = #"root\cimv2";
ManagementScope scope = new ManagementScope(serverString);
ConnectionOptions options = new ConnectionOptions
{
Impersonation = ImpersonationLevel.Impersonate,
Authentication = AuthenticationLevel.Connect,
EnablePrivileges = true
};
scope.Options = options;
return scope;
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
throw;
}
}
public void InvokeMethodsFunctions1()
{
ManagementScope mScope = GetScope();
mScope.Connect();
if (mScope.IsConnected)
{
ManagementClass processClass =
new ManagementClass(mScope.Path);
ManagementObjectSearcher mos = new ManagementObjectSearcher(mScope, new ObjectQuery("SELECT * FROM Win32_Product"));
//get collection of WMI objects
ManagementObjectCollection queryCollection = mos.Get();
using (System.IO.StreamWriter file = new System.IO.StreamWriter(#"Result.txt"))
{
textBox1.Text = "";
//enumerate the collection.
foreach (ManagementObject m in queryCollection)
{
// access properties of the WMI object
string line = " " + m["Name"] + " , InstallDate : " + m["InstallDate"] + " LocalPackage : " + m["LocalPackage"];
Console.WriteLine(line);
file.WriteLine(line);
textBox1.Text += line + "\n";
}
}
}
}
So whats wrong in my Code ?

There is nothing wrong , the Win32_Product WMI class only list the products installed by the Windows Installer (MSI).

I just tested the following, simplified version of your code and I see everything installed on my pc, even services I wrote and installed myself:
var products = new ManagementObjectSearcher(new ObjectQuery("SELECT * FROM Win32_Product"));
var result = products.Get();
foreach (var product in result)
{
Console.WriteLine(product.GetPropertyValue("Name").ToString());
}
Console.ReadLine();
It looks like you are narrowing your query by scope, which is possibly why you aren't seeing everything, try the above and see if you have more luck.

How to get the description of a running process on a remote machine?

I have tried two ways to accomplish this so far.
The first way, I used System.Diagnostics, but I get a NotSupportedException of "Feature is not supported for remote machines" on the MainModule.
foreach (Process runningProcess in Process.GetProcesses(server.Name))
{
Console.WriteLine(runningProcess.MainModule.FileVersionInfo.FileDescription);
}
The second way, I attempted using System.Management but it seems that the Description of the ManagementObject is the she same as the Name.
string scope = #"\\" + server.Name + #"\root\cimv2";
string query = "select * from Win32_Process";
ManagementObjectSearcher searcher = new ManagementObjectSearcher(scope, query);
ManagementObjectCollection collection = searcher.Get();
foreach (ManagementObject obj in collection)
{
Console.WriteLine(obj["Name"].ToString());
Console.WriteLine(obj["Description"].ToString());
}
Would anyone happen to know of a better way to go about getting the descriptions of a running process on a remote machine?

Well I think I've got a method of doing this that will work well enough for my purposes. I'm basically getting the file path off of the ManagementObject and getting the description from the actual file.
ConnectionOptions connection = new ConnectionOptions();
connection.Username = "username";
connection.Password = "password";
connection.Authority = "ntlmdomain:DOMAIN";
ManagementScope scope = new ManagementScope(#"\\" + serverName + #"\root\cimv2", connection);
scope.Connect();
ObjectQuery query = new ObjectQuery("select * from Win32_Process");
ManagementObjectSearcher searcher = new ManagementObjectSearcher(scope, query);
ManagementObjectCollection collection = searcher.Get();
foreach (ManagementObject obj in collection)
{
if (obj["ExecutablePath"] != null)
{
string processPath = obj["ExecutablePath"].ToString().Replace(":", "$");
processPath = #"\\" + serverName + #"\" + processPath;
FileVersionInfo info = FileVersionInfo.GetVersionInfo(processPath);
string processDesc = info.FileDescription;
}
}