Get User By Distinguished Name Using System.DirectoryServices.Protocols
May 7, 2012
I have a pretty extensive application that has been built to provide SSO to several web applications via OID. The problem is that we have seen some users getting "orphaned" on a role for one of the applications. I have written a method that returns the distinguished name for all of the users with access to that role. To perform the cleanup, I am trying to make sure that the users returned in the previous step actually exist in OID. I have been using the System.DirectoryServices.Protocols.SearchRequest class when searching for users or roles, but it is not working for a distinguished name. Below is my method. It has been changed a couple of times to try different ways to make it work.
I am connecting to a Microsoft Active Directory server in a DMZ from my .net application (asp.net VB .net 4.0). I need to create a new "inetorgperson" in an orgunit called "SingleCustomerAccount".
I have had to use the System.DirectoryServices.Protocols namespace for all the work, because the ADSI classes (System.DirectoryServices namespace) wouldn't work across the DMZ properly.
Anyway it's been working fine connecting to Active Directory on Windows Server 2003 R2; however we're running tests against Active Directory on Windows Server 2008 R2 (2008r2 in native mode for forest and domain) in order to upgrade.
My existing code to create a user does not work.
System.DirectoryServices.Protocols.DirectoryOperationException: The server cannot handle directory requests. at System.DirectoryServices.Protocols.LdapConnection.ConstructResponse(Int32
Using the .net 3.5 framework and C# I'm trying to add a new user to AD from C# and can't find any examples. I see that the PrincipalCollection object has an overloaded 'add' method but can't seem to figure out how it works. Can anyone help?
How create a new user object, add it into AD. Secondly, the user that will be adding in new people may not actually have the security to do this. Is there a way that I can impersonate another user account that will have permissions and add the account that way?
I have computers joined to a domain. I'm writing a desktop application that ask for a username and password to authenticate user against Active Directory.Sometimes, user uses this application on the computer that is not joined to the domain.I'm using .NET 3.5, System.DirectoryServices, and System.DirectoryServices.AccountManagement. Code sample how to authenticate users:
Private Function ValidateExternalUser(ByVal username As String, ByVal password As String) As Boolean Using context As PrincipalContext = New PrincipalContext(ContextType.Domain, "your_domain_here") Return context.ValidateCredentials(username, password, ContextOptions.Negotiate)
[code]....
I want to know how to check if user is already logged in on domain computer, then I don't have to ask them log into the application again.
Update:If it can't be done with System.DirectoryServices.AccountManagemen, is there any way to do it?
I am using System.DirectoryServices.AccountManagement to try to add a local account to the local administrators group with the following code but am getting the error below on the group.Members.Add(usr) line. Both usr and group are created as objects and if I create a Test group, I can add the user to the Test group. I know the group object is the local administrators group and not the domain group because i changed the description on the local administratrors group and the group object is correct so it appears to be something specific to the local administrators group.
I need to read the distinguished name of the current user (the one running the program) from Active Directory.I'm warm (I know I should use System. DirectoryServices and DirectorySearcher), but somehow I can't get the code to work properly, nor can I find a working example.Now, after having spent hours searching for examples on the internet, I'm getting quite frustrated with myself, so I turn to you hoping someone can provide an example.Why I need this: when people run this program, it needs to detect which OU they belong to. We have several sites (for example Rotterdam and Amsterdam) and depending on what site the user's OU is, I need to perform some actions. So I hope to derive f.e. "OU=Rotterdam" from their DN.
I'm upgrading my site and pasted some code into a new form in VS 2011 Express beta. I get the standard error below: Namespace or type specified in the Imports 'System.DirectoryServices' doesn't contain any public member or cannot be found. Make sure the namespace or the type is defined and contains at least one public member. Make sure the imported element name doesn't use any aliases.
I went ahead and added a reference for system.directoryservices. Still, the errors remain. I go back to references to make sure it's been added, and it is no longer checked. Repeated tries and the same results.
I've read through what little I could find on system.directoryservices and setting object permissions in AD.What I need to do is grab a DE, read its security descriptor and add / modify it. I need to add permission to another user.
I know how to use the CACLS command for the file system and the concept is basically the same but I dont see any VB (or any ) examples out there that could show me how to grab a distribution list AD object and modify the descriptor so the user has permissions to update the DL (without actually being the owner).
I need to pull back the security descriptors for the active directory attribute "msExchMailboxSecurityDescriptor" on user account objects.So far, all I can find is that I need to use this class to do so, but I cannot find any example code of how to start to pull what I want out using it.I'm restricted to using .Net v2.0.
My application takes the currently logged-in user and uses an a DirectoryServices.DirectorySearcher to pull a few additional detail about them (some properties we have stored in a few custom AD fields, as well as their email address). This works great, though I've always though it was a little slow - my single-threaded code could only make about 2-3 requests/second to AD.
The real problem came when I moved this code to a web server. With multiple simultaneous users, the number of requests/second jumps greatly, and the LSASS.EXE process pegs on my server. I've checked the domain controllers, and they're just fine - the bottleneck is clearly on the application side. I suspect that what's slowing my down is the NTLM/Kerberos challenge/response, and the number of simultaneous requests pegs even the multi-core processor.
Our network policy doesn't allow anonymous reads from AD, so that choice is out. Also, I've tried every member of "AuthenticationTypes" (in the example, I'm using .FastBind), but they all seem to have about the same throughput rate with the same load on the processor.how I might work around this restriction and lower my demands on the processor? Here is the code I'm using - pretty straightforward:
Dim sPath As String = "LDAP://" & stringUserDN Dim entry As New DirectoryEntry(sPath) entry.AuthenticationType = AuthenticationTypes.FastBind[code]......
I am accessing active directory with the System.DirectoryServices library, currently in my web layer. However, I'm trying to move a function from a code-behind file to a VB class in another namespace, and I cannot seem to access that class from within that namespace.
We are setting up authentication for our users in our software and were looking at the System.DirectoryServices that other posts have suggested.
Some of our clients use pier to piers (workgroup) networks since they are only 2-3 computers. Will this still work without a true server or domain? One of the workstations will be the file server but only using something like WXP. Will this still work?
I have no knowledge whatsoever in any kind of API available for VB.net (besides this one, which I already tried and it did not work).The Interface of this project is going to be quite simple:Percentage BarCurrent Download Speed Available SeedsTime Remaining to Finish Open Torrent File DialogueThe only thing I'm missing is a way to include bittorrent protocols into a VB.NET project, after that i will be successful on my own (I hope ).
i'm currently trying to test a program at home that i've written for an assignment at university. At the university they have a dedicated SQL server that i can connect to fine enough but to test and debug at home i have installed MySQL 5.1.
I now have trouble connectioning to MySQL the error message i get points towards that my program is acutally looking for an instace of MS SQL server and i don't know where to change this.
I have downloaded and installed "MySQL ODBC Driver-MyODBC 3.51" which some people have suggested corrects the problem, unfortunatly this doesn't work.
The current code i have is:
Dim strConnBuild As New SqlConnectionStringBuilder With strConnBuild .DataSource = "localhost" .InitialCatalog = "northwind"
[code]....
I can't find any properties of the SqlConnectionStringBuilder that indicate what instance and protocalls it should use.
I am working on writing a program that needs to send a command to a specific port on the same computer, I have that working fine. There is another piece of software running that is listening to that port for some commands (read on). Dim myTcpClient As New TcpClient myTcpClient.Connect("127.0.0.1", 61225) Dim networkStream As NetworkStream = myTcpClient.GetStream()
However when I try to send a command I get no response... Dim outStream As Byte() = System.Text.Encoding.ASCII.GetBytes("0x33") networkStream.Write(outStream, 0, outStream.Length) networkStream.Flush()
I have been given a list of protocols that I need to send to that port. What I have been told is that the size (in byes) is 1 and the value is "0x33" with no parameters. I am completely new to sockets and sending data through tcp.
I have a working game server browser project in VB.NET 2008 and I'm trying to fix the CS 1.6 and CS-Source query protocols. Where can I go to learn how to query a game server? The code worked in 2004 and now I want to update it [Code]
I'm writing an application which has user authentication system, basically, when the user open the software, he has to enter his/hers username and password which are retrieved form a access data base, and if the user is set as admin then it enable some features, I couldn't figure out how to read the column lets say, IsAdmin table, which will store an value of 1 or 0 for example. I need a concept of how build a login system with levels or whatever you guys call it...
I am going to create a gaming platform primarily with flash,flex and was also looking to create a windows client that could communicate with my server using these protocols. Could someone point me in the right direction on any possible .net libraries available that could handle the communications between client and server?
Want to change a property of a user in Active Directory programatically. I know I need to use DirectoryServices but I keep getting referral errors.
1. I want to connect to the directory an get the property first.
2. I will then use a evaluative expression to find out if step 3 is necessary 3. Want to change ths property
However, I want to run this from client machines so they won't have permission to modify the schema so I created a new users, is it possible to authenticate with one user and change another's?
Tutorials don't seem to show specification of the user the are changing the context user.
I have a function that searches AD for members of various groups. If I remove the loop, I don't get the error "A column named 'cn' already belongs to this datatable", however, I need to iterate through each OU.
Function getCOMDLNames(ByVal searchStr As String) As DataTable Dim MySearchRoot As DirectoryEntry = New DirectoryEntry("path", "usr", "pwd") Dim MyDirectorySearcher As New DirectorySearcher(MySearchRoot)
I have a problem in adding/creating a new user to the system. The data entered didn't successfully inserted into database. It didn't show any errors too.
Protected Sub btnAdd_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnAdd.Click Dim cmdInsert As OleDbCommand Dim strInsert As String
I've create a setup for my vb application with visual studio. At the end of the install I want to launch the application so i've add a custom action and used the chell to launch it. It's work but... the application is launch as SYSTEM user...is there a way to launch it in normal user (on win7 as administrator)?
