how to change password to user account, by c# code?
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2Which user's account? Domain? Any App? System?Serkan Hekimoglu– Serkan Hekimoglu2010-11-23 08:02:15 +00:00Commented Nov 23, 2010 at 8:02
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Might be a dupe of this question (depending on what password you want to change): stackoverflow.com/questions/234845/…Hans Olsson– Hans Olsson2010-11-23 08:06:06 +00:00Commented Nov 23, 2010 at 8:06
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and this stackoverflow.com/questions/384304/…Serkan Hekimoglu– Serkan Hekimoglu2010-11-23 08:07:21 +00:00Commented Nov 23, 2010 at 8:07
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I use with the link that ho1 gave, It works well, then thank yousari k– sari k2010-11-23 09:23:52 +00:00Commented Nov 23, 2010 at 9:23
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4 Answers
Here is a simpler way to do this, however you will need to reference System.DirectoryServices.AccountManagement from .Net 4.0
namespace PasswordChanger
{
using System;
using System.DirectoryServices.AccountManagement;
class Program
{
static void Main(string[] args)
{
ChangePassword("domain", "user", "oldpassword", "newpassword");
}
public static void ChangePassword(string domain, string userName, string oldPassword, string newPassword)
{
try
{
using (var context = new PrincipalContext(ContextType.Domain, domain))
using (var user = UserPrincipal.FindByIdentity(context, IdentityType.SamAccountName, userName))
{
user.ChangePassword(oldPassword, newPassword);
}
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
}
}
}
2 Comments
mberna
Works great even without admin privileges, thanks Paul.
boggy
I got an exception AccessDenied even when I ran the app as administrator. I ended up using the solution here: stackoverflow.com/questions/7567701/…
Using active directory:
// Connect to Active Directory and get the DirectoryEntry object.
// Note, ADPath is an Active Directory path pointing to a user. You would have created this
// path by calling a GetUser() function, which searches AD for the specified user
// and returns its DirectoryEntry object or path. See http://www.primaryobjects.com/CMS/Article61.aspx
DirectoryEntry oDE;
oDE = new DirectoryEntry(ADPath, ADUser, ADPassword, AuthenticationTypes.Secure);
try
{
// Change the password.
oDE.Invoke("ChangePassword", new object[]{strOldPassword, strNewPassword});
}
catch (Exception excep)
{
Debug.WriteLine("Error changing password. Reason: " + excep.Message);
}
Here you have example to change it in the local user account:
http://msdn.microsoft.com/en-us/library/ms817839
Other alternative could be using interoperability and call unmanaged code: netapi32.dll
http://msdn.microsoft.com/en-us/library/aa370650(VS.85).aspx
2 Comments
sari k
Thanks for your help, how can I get ADPath? need to use with ActiveDS, If so, how?
Daniel Peñalba
Sorry, the link on the code is hidden, maybe stack overflow could improve this :-) Here is the link to the general use of AD and how to build the ADPath: primaryobjects.com/CMS/Article61.aspx
DirectoryEntry AD = new DirectoryEntry("WinNT://" + Environment.MachineName + ",computer");
DirectoryEntry grp;
grp = AD.Children.Find("test", "user");
if (grp != null)
{
grp.Invoke("SetPassword", new object[] { "test" });
}
grp.CommitChanges();
MessageBox.Show("Account Change password Successfully");
"run in administrator to change all user
Comments
This works for both AD and Local Accounts.
If you want to invoke this API via C#, you may use this signature to import API NetUserChangePassword to your C# code:
[DllImport("netapi32.dll", CharSet=CharSet.Unicode, CallingConvention=CallingConvention.StdCall,SetLastError=true )]
static extern uint NetUserChangePassword (
[MarshalAs(UnmanagedType.LPWStr)] string domainname,
[MarshalAs(UnmanagedType.LPWStr)] string username,
[MarshalAs(UnmanagedType.LPWStr)] string oldpassword,
[MarshalAs(UnmanagedType.LPWStr)] string newpassword);
