如何提供DirectoryEntry.Exists凭据？ [英] How to provide DirectoryEntry.Exists with credentials?

问题描述

今天早上，我发现了一个不错的方法（的DirectoryEntry。存在），这应该是能够检查的Active Directory对象是否存在于服务器上。于是，我就用一个简单的：

This morning I discovered a nice method (DirectoryEntry.Exists), that should be able to check whether an Active Directory object exists on the server. So I tried with a simple:

if (DirectoryEntry.Exists(path)) {}

当然，它没有任何的过载提供凭据它。因为，如果不提供凭据，我得到这个异​​常：

Of course it lacks any overloads to provide credentials with it. Because, if credentials are not provided I get this Exception:

登录失败：未知的用户名或   密码错误。   （System.DirectoryServices.DirectoryServicesCOMException）

Logon failure: unknown user name or bad password. (System.DirectoryServices.DirectoryServicesCOMException)

是否有任何其他选项，让我在AD服务器来验证我的code的可能性？或者检查对象的存在？

Is there any other option that gives me the possibility to authenticate my code at the AD server? Or to check the existence of an object?

推荐答案

在这种情况下，你不能用静态的方法，你说的存在：

In this case you can't use the static method Exists as you said :

DirectoryEntry directoryEntry = new DirectoryEntry(path);
directoryEntry.Username = "username";
directoryEntry.Password = "password";

bool exists = false;
// Validate with Guid
try
{
    var tmp = directoryEntry.Guid;
    exists = true;
}
catch (COMException)
{
   exists = false; 
}

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