Windows: Cancel Bits transfers from other user


if you try to remove bits transfers initialted from SYSTEM or from other users you get an Access Denied (Unable to cancel job – 0x80070005) error.
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Windows: Change Password Utility


in Active Directory Domain environment you have to frequently change your password.

The default Windows methods usually does not support clipboard operations. So you have to enter your new password two times and depending on your method your old password too 🙁 .
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Windows: List all users who are currently logged on


if you want to list all Users which are currently logged on to the box use the query command.

List all sessions

c:\> query session
 SESSIONNAME       USERNAME                 ID  STATE   TYPE        DEVICE
 services                                    0  Disc
 console                                     1  Conn
>rdp-tcp#0         user1                     2  Active  rdpwd
 rdp-tcp                                 65536  Listen

Or list all users

c:\> query user
>user1                 rdp-tcp#0           2  Active          .  21.02.2015 19:42

You can also list the processes of the user

c:\> query process
 USERNAME              SESSIONNAME         ID    PID  IMAGE
>user1                 rdp-tcp#0            2   6076  taskhost.exe
>user1                 rdp-tcp#0            2   6592  rdpclip.exe
>user1                 rdp-tcp#0            2   4840  dwm.exe
>user1                 rdp-tcp#0            2   4680  explorer.exe
>user1                 rdp-tcp#0            2   7092  vmtoolsd.exe


Windows: Create a new local User Account and add them to a local group by using .NET and C#


a short post. It describes how to create a new local Windows User account and add them to an existing local user group.

First of all, include the following references in your project:

using System.DirectoryServices;
using System.Runtime.InteropServices;

Create a new User with local administrator rights.

// define Username and Password
const string USER_NAME = "NewAdmin";
char[] aPWchars = { 'P', 'a', 's', 's' , 'w', 'o', 'r', 'd'};
System.Security.SecureString oPW = new System.Security.SecureString();
foreach (char cChr in aPWchars) {
// Get Computerobject via ADSI
DirectoryEntry oComputer = new DirectoryEntry("WinNT://" + Environment.MachineName + ",computer");
// New User
DirectoryEntry oNewUser = oComputer.Children.Add(USER_NAME, "user");
// define Pointer to a string
IntPtr pString = IntPtr.Zero;
// Pointer to password
pString = Marshal.SecureStringToGlobalAllocUnicode(oPW);
// Set password
oNewUser.Invoke("SetPassword", new object[] { Marshal.PtrToStringUni(pString) });
// Add a description
oNewUser.Invoke("Put", new object[] { "Description", "New Administrator" });
// Save changes
// Cleanup and free Password pointer
// Get Group
DirectoryEntry oGroup = oComputer.Children.Find("Administrators", "group");
// And add the recently created user
oGroup.Invoke("Add", new object[] { oNewUser.Path.ToString() });


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