Update Active Directory Without Hardcoding Username/password
Jan 20, 2011
Currently, users log into a web application with their AD (active directory) credentials which are validated against the AD. Once inside the application, certain users will need to update the AD. When I hardcode a username/password, I am able to update the AD, however when I try to force the object to use the logon credentials or if I don't specify the username/password, it throws an error. Obviously due to security concerns, I do not want to hardcode credentials.
Error - System.DirectoryServices.DirectoryServicesCOMException: An operations error occurred.
Public Shared Sub SetProperty(ByVal de As DirectoryEntry, ByVal propName As String, ByVal propValue As String)
If Not propValue Is Nothing Then
[Code].....
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Jun 21, 2010
send a solution for this "update login SET password=@password,username=@username where username=@user"
while executing i got the error"syntax error in update statement "
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May 15, 2012
Is it possible (I'm sure it is) to validate a user's credentials against Active Directory without using Directory Services?I'm building a Browser-Based WPF application which requires users to login to and get validated via Active Directory. Since .Net 4.0 (or maybe 3.5) accessing Directory Services from an Application requires the application to be fully trusted. Since IE won't provide full trust to an application if it doesn't have the signing certificate in it's cert store, the application is refused startup permission.
If I don't use Directory Services, then I can leave the application as Partial Trust and validate my user's credentials without having to install a certificate on each user's machine.
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Apr 18, 2011
I am trying to create a new user and set their password in AD LDS using asp.net vb. I'm binding to an instance of a directory entry, which is working fine. And I can add a user without a problem. The problem is that I can't seem to set the password when I add the user.Is this the right way to set the password
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Mar 10, 2011
I am trying to create a new user and set their password in AD LDS using asp.net vb. I'm binding to an instance of a directory entry, which is working fine. And I can add a user without a problem. The problem is that I can't seem to set the password when I add the user. Is this the right way to set the password?
Dim objADAM As DirectoryEntry = BindToInstance()
Dim objUser As DirectoryEntry = objADAM.Children.Add("CN=Jimmy", "User")
objUser.Properties("sn").Value = "lloyd"
objUser.Properties("givenName").Value = "Jimmy Smith"
objUser.Properties("userpassword").Value = "THEPASSWORD"
objUser.CommitChanges()
This is the error that I get :
System.DirectoryServices.DirectoryServicesCOMException (0x80072020): An operations error occurred. (Exception from HRESULT: 0x80072020) at System.DirectoryServices.DirectoryEntry.CommitChanges
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Sep 10, 2009
I'm working on an console application that resets an user password in active directory. I using an administrator account and the following code:
deUser = New DirectoryEntry(strPath, _admlogin, _admpwd, AuthenticationTypes.Secure)
Dim oPassword As Object() = New Object() {"123newpass"}
[Code].....
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Aug 30, 2011
Is there a way in Visual Basic to check if the user's password is set to never expire in Active Directory? 've found a way to find the last date it was changed, but I can't find the other available options.
[Code]....
Where can I find a list of all available objUser properties?
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Aug 17, 2010
How to change the password of a Active Directory by using VB.net CodeSHYAM
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Apr 7, 2011
I have a web form that uses AD to authenticate users. I want to be able to authenticate users with expired password, and redirect them to the password change page after authentication.
if for instance, a site admin reset a users password, I use the method below, to make the user reset their password on next logon.
Public Shared Sub ForceUserToResetPassword(ByVal LDAP_URI As String, ByVal UserName As String, ByVal Auth_UserName As String, ByVal Auth_Password As String)
Dim LDAPEntry As DirectoryEntry = Nothing
Try
[Code]...
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Apr 21, 2011
I'm working on a web based "Forgot Password" to reset AD passwords, using LDAP. Well, I can unlock the user, but not change the password.
Here is my function :
Private Function ChangeLocalUserPassword(ByVal User As String, ByVal Pass As String) As Boolean
Dim pinger As New Net.NetworkInformation.Ping
Dim usr As DirectoryEntry
_de = GetDirectoryEntry()
If _de Is Nothing Then
[Code] .....
How I can get around hard coding the Admin user on the page? Would creating an IUSR with a few Admin privileges work?
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Apr 7, 2011
I have a web form that uses AD to authenticate users. I want to be able to authenticate users with expired password, and redirect them to the password change page after authentication. if for instance, a site admin reset a users password, I use the method below, to make the user reset their password on next logon.[code]
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Aug 18, 2011
I have a piece of business-soft to make the lives of our employees easier. It's fairly typical, a tabbed-MDI style main form with a load of buttons that activate each of its sub-modules.
I have security set up on it so that someone in sales can't enter the module for purchasing, etc... I authenticate the user by having them type in their network password and check it against the AD server with this function:
'Remember to Imports System.DirectoryServices for this to work
Private Function ValidateActiveDirectoryLogin(ByVal Domain As String, ByVal Username As String, ByVal Password As String) As Boolean
[Code].....
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Jun 10, 2010
Here is the final code that worked for me. This uses WNetAddConnection2 to establish a connection first, before using DirectoryEntry.
Imports System.Runtime.InteropServices
Imports System.Net
Imports System.DirectoryServices
Imports System.IO
[Code]...
So I moved the code to an ASP.Net web app, which is impersonating a service account through the Impersonate section of web.config. The account I am impersonating does not have admin rights on any of the workstations so I put in a username/password into the constructor for the computer entry like so:
Dim deComputer As New DirectoryEntry("WinNT://" + Computername + ",computer", username, password).The username is that of a domain account which has local admin rights on every workstation. If I look at the Username property of the resulting deComputer object I can see that the username matches what I entered.Also if I enter in an invalid password it throws an error, so it is authenticating in some fashion.
However if I now try and add or remove a user from a remote workstation I get a general access denied error. If I add the service account that ASP.Net is using as a local admin on that workstation it will add and remove no problem.So next I tried using the LogonAPI (advapi32.dll ->LogonUser call) to login as the user account that is a local admin on all workstations, impersonated the resulting WindowsIdentitiy and tried running just the original deComputer instantiation. When I do this every property, excepty Path, returns an OLE exception..
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Jan 4, 2010
im writing a little app to enable authorised staff to reset student passwords but having a few issues. . I am no expert and am now stuck The following code does not seem to error but also does not reset the password! Private Sub bt_pwd_reset_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles bt_pwd_reset.Click
[Code]...
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Jun 22, 2010
I wish to import all the computers listed in active directory into a list view. Then I want to run an Group Policy update on machines which are focussed on. (GP update = a simple cmd line batch).
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May 9, 2006
I'm a developer for a College we have an active directory.I need to query Active Directory with the Pc name and return it's path in the Active Directory tree.
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Jul 15, 2009
I am looking to create a simple password box that will ask the user for a username and pass, if the user is validated against the usernames and passwords in an .ini file the login box will close and launch a program also stated in the .ini file. I would also like to be able to launch different programs for different users.
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Mar 17, 2010
FIRST START WITH LOGIN FORM
Public Class LoginForm1
' TODO: Insert code to perform custom authentication using the provided username and password
' (See http://go.microsoft.com/fwlink/?LinkId=35339).
[CODE]...
HOW SHOULD I ASSIGN USERNAME AND PASSWORD
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Sep 24, 2011
While a web page -which needs login- is opened in my browser, if I close browser and re-open, I have to write username password again. But, sometimes when I close browser and re-open for the same page, it isn't needed username and password again? Is it about Session, Cookie? If yes, why are there different conditions?
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Nov 24, 2010
1. i need to connect to a active Directory through different credentials. I want to have two textboxes like Username and Password. The User should provide these two information + the domainname and i connect then to the ad
2. How to check if the connection was successfull?
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Mar 8, 2012
I'm making a program that requires FTP access. I need to encrypt the password/username so no one will be able to decompile it and gain access to my FTP account.
how to encrypt strings? I've gone through google, but I'm not looking for a 5 page essay.
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Nov 5, 2010
i am trying to do a for loop to give the user 3 trys to get the login username and password right. the username is User and the Password is VB. the code i got so far is a if function Private Sub btnLogin_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnLogin.Click
[Code]...
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May 20, 2009
How do i set username and password, and how do i make a function that makes it aviable to change the password and the username from the program??
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Mar 17, 2010
i have a problem when adding username in my registration form..registering same username is allowed in my program..i dont want to allowed this. How can i make it using SQL..if the username exist dialog box will appear that the username exist
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Aug 19, 2009
the below code is the login form. If type wrong username and password, MsgBog will pop up. So, my question is how to reset the password and username after the wrong username and password. I try to put Me.ResetText() but still can nt function because the old usename and password still remain at there.
[Code].....
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Dec 15, 2011
I have been coding a Reset Login Details form, the user needs to enter the new Username, the new Password and the Current Password.Here is my code below - something in the form is not working as i am getting an error when i fill in the form about the INSERT INTO statement.
Imports System.Data.OleDb
Public Class frmChangeLoginDetails
Private Sub btnSave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSave.Click
[code].....
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Apr 22, 2012
I'm currently working on a library system. i have a registration table. there are my fields in that table as well as username and password. then i have a login form. i want to use the same username and password as in the Registration table for the user to login.
in my login form there are 2 txtboxes namely txtUsername.text and txtPassword.text
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Feb 23, 2009
I was wondering if there is a way that i can check my companies domain to authenticate a user name and password for an application in am working?
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Aug 15, 2011
when you log in a username and a password a msgbox will show that you are log in, and then when you enter the same username and password, the program will identify that the username and password is log out. no button will be use in here.
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Jun 12, 2011
I have a form just like the login form in VB.Net. The usernames are prepopulated on a combobox with datas from the SQL DB backend, and the text box for the password entry is empty. My code is working but what I need help is, for the code to validate the username and password entered against that stored on the SQL DB backend. Like when the user selectes a wrong username but the password entered is correct, there shld be a messagebox like "The username selected is wrong", or if the username is correct and the password entered is wrong then the msg is "The password entered is not correct, please type you password using the right case".
Try
conn.Open()
Dim SelectStm As String = "SELECT * FROM tblStaff WHERE UserName = @UserName AND Password = @Password"
Dim objCmd As SqlCommand = New SqlCommand(SelectStm, conn)
[code]....
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