Changing a Windows User Password Remotely Using .NET

Question

How to change the local password of a local user account using VB.NET/C#?

I looked at the DirectoryEntry class and know how to add users to the group, but I can’t figure out how to change the (local) password.

Answer 1

Using .net 3.5:

PrincipalContext context = new PrincipalContext(ContextType.Domain);
UserPrincipal user = UserPrincipal.FindByIdentity(context, "user");

User can change their password:

user.ChangePassword("old", "new");

Or, if you run the AD admin, you can reset it:

user.SetPassword("1234567");

Answer 2

Yes,

This may work with .net 3.5 and higher, but this requires the server service (for example, file sharing) to be turned on and running. What if it's not ???

, , ADSI VB.Net( BTW)... :

Dim uName as string = "trgtUser"
Dim uPass as string = "newPass"
Dim user = GetObject("WinNT://./" & uName & ",user")
user.SetPassword(uPass)

, !

;)