blocks|key|241713|text|如果您使用的是Visual+Studio，也可以在解决方案资源管理器中左键单击该项目，然后在属性窗口中将Windows+Authentication属性更改为Enabled。|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|241714|entityMap^0|P|9|1A|2|1G|M|27|7|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]|$9|K|A|L|B|C]|$9|M|A|N|B|C]|$9|O|A|P|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|Q|8|@]|D|@]|E|$]]]|G|$]]

If you are using Visual Studio, you can also left-click on the project in Solution Explorer and change the Windows Authentication property to Enabled in the Properties window.

blocks|key|2910176|text|此问题的原因是IIS+Express不允许使用WindowsAuthentication。这可以通过设置来启用|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2910177|<windowsAuthentication+enabled="true">|code-block|syntax|javascript|2910178|在位于C：\Usersusername\IISExpress\config的applicationhost.config文件中。|2910179|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

The cause if had for this problem was IIS Express not allowing WindowsAuthentication. This can be enabled by setting

<pre><code>&lt;windowsAuthentication enabled="true"&gt;
</code></pre>

in the applicationhost.config file located at C:\Users[username]\Documents\IISExpress\config.

blocks|key|3124725|text|在IIS+Express上承载:+1.在解决方案资源管理器中单击项目以选择该项目。2.如果属性窗格未打开，请将其打开(F4)。3.在项目的属性窗格中:+a)将“匿名身份验证”设置为“已禁用”。b)设置"Windows身份验证“为”已启用“。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3124726|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

Hosting on IIS Express:
1. Click on your project in the Solution Explorer to select the project.
2. If the Properties pane is not open, open it (F4).
3. In the Properties pane for your project:
 a) Set "Anonymous Authentication" to "Disabled".
 b) Set "Windows Authentication" to "Enabled".

blocks|key|243256|text|在我的例子中，我必须打开这个文件：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|243257|C:\...\Documents\IISExpress\config\applicationhost.config|code-block|syntax|javascript|243258|我在文件里放了这个：|243259|++<authentication>
++<anonymousAuthentication+enabled="true"+User=""+/>|243260|我刚刚删除了User=""部分。我真的不知道这东西是怎么到那里的。:)|offset|length|style|CODE|243261|注意:确保在applicationhost.config的末尾有类似这样的内容|243262|+++.
+++.
+++.
+++<location+path="MyCompany.MyProjectName.Web">
++++++++<system.webServer>
++++++++++++<security>
++++++++++++++++<authentication>
++++++++++++++++++++<anonymousAuthentication+enabled="true"+/>
++++++++++++++++++++<windowsAuthentication+enabled="false"+/>
++++++++++++++++</authentication>
++++++++++++</security>
++++++++</system.webServer>
++++</location>
</configuration>|243263|你可能还想看看这里：https://stackoverflow.com/a/10041779/114029|243264|现在我可以像预期的那样访问登录页面。|243265|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/a/10041779/114029^0|0|0|0|0|6|7|0|6|M|0|0|A|17|0|0|0^^$0|@$1|2|3|4|5|6|7|16|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|17|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|18|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|19|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|1A|8|@$M|1B|N|1C|O|P]]|9|@]|A|$]]|$1|Q|3|R|5|6|7|1D|8|@$M|1E|N|1F|O|P]]|9|@]|A|$]]|$1|S|3|T|5|D|7|1G|8|@]|9|@]|A|$E|F]]|$1|U|3|V|5|6|7|1H|8|@]|9|@$M|1I|N|1J|1|1K]]|A|$]]|$1|W|3|X|5|6|7|1L|8|@]|9|@]|A|$]]|$1|Y|3|-4|5|6|7|1M|8|@]|9|@]|A|$]]]|Z|$10|$5|11|12|13|A|$14|15]]]]

In my case I had to open the file:

<pre><code>C:\...\Documents\IISExpress\config\applicationhost.config
</code></pre>

I had this inside the file:

<pre><code> &lt;authentication&gt;
 &lt;anonymousAuthentication enabled="true" User="" /&gt;
</code></pre>

I just removed the <code>User=""</code> part. I really don't know how this thing got there... :)

Note: Make sure you have something like this in the end of <code>applicationhost.config</code>:

<pre><code> .
 .
 .
 &lt;location path="MyCompany.MyProjectName.Web"&gt;
 &lt;system.webServer&gt;
 &lt;security&gt;
 &lt;authentication&gt;
 &lt;anonymousAuthentication enabled="true" /&gt;
 &lt;windowsAuthentication enabled="false" /&gt;
 &lt;/authentication&gt;
 &lt;/security&gt;
 &lt;/system.webServer&gt;
 &lt;/location&gt;
&lt;/configuration&gt;
</code></pre>

You may also want to take a look here: <a href="https://stackoverflow.com/a/10041779/114029">https://stackoverflow.com/a/10041779/114029</a>

Now I can access the login page as expected.

blocks|key|3124621|text|在我的例子中，我的应用程序在VS上的前一次运行保留了URL。我可以通过在控制台中运行来查看：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3124622|netsh+http+show+urlacl|code-block|syntax|javascript|3124623|要删除此保留，我在提升的控制台中运行以下命令：|offset|length|style|BOLD|3124624|netsh+http+delete+urlacl+http://127.0.0.1:10002/|3124625|我发现这些步骤here解决了我的问题。|3124626|我正在使用VS2013|3124627|entityMap|0|LINK|mutability|MUTABLE|url|http://saintgimp.org/2012/05/03/fixing-the-error-unable-to-launch-the-iis-express-web-server-failed-to-register-url-access-is-denied/^0|0|0|9|3|0|0|7|4|0|0|0^^$0|@$1|2|3|4|5|6|7|10|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|11|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|12|8|@$I|13|J|14|K|L]]|9|@]|A|$]]|$1|M|3|N|5|D|7|15|8|@]|9|@]|A|$E|F]]|$1|O|3|P|5|6|7|16|8|@]|9|@$I|17|J|18|1|19]]|A|$]]|$1|Q|3|R|5|6|7|1A|8|@]|9|@]|A|$]]|$1|S|3|-4|5|6|7|1B|8|@]|9|@]|A|$]]]|T|$U|$5|V|W|X|A|$Y|Z]]]]

In my case a previous run of my app from VS reserved the URL. I could see this by running in a console:

<pre><code>netsh http show urlacl
</code></pre>

to delete this reservation i ran this in an elevated console:

<pre><code>netsh http delete urlacl http://127.0.0.1:10002/
</code></pre>

I found these steps <a href="http://saintgimp.org/2012/05/03/fixing-the-error-unable-to-launch-the-iis-express-web-server-failed-to-register-url-access-is-denied/">here</a> solved my problem.

I'm using VS2013

blocks|key|243299|text|我不得不在Administrative+Mode中运行Visual+Studio来消除这个错误。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|243300|entityMap^0|5|J|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|K|8|@]|D|@]|E|$]]]|G|$]]

I had to run Visual Studio in <code>Administrative Mode</code> to get rid of this error.

blocks|key|2910405|text|我也有同样的问题，最终我可以克服它。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2910406|Solution+Explorer+Right+click+on+project+Properties+Web+tab+Project+Url→|offset|length|style|BOLD|CODE|2910407|我选择了另一个端口号，一切都变好了！|2910408|entityMap^0|0|0|H|I|M|15|A|1G|7|1O|B|0|H|I|M|15|A|1G|7|1O|B|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|N|8|@$D|O|E|P|F|G]|$D|Q|E|R|F|G]|$D|S|E|T|F|G]|$D|U|E|V|F|G]|$D|W|E|X|F|G]|$D|Y|E|Z|F|H]|$D|10|E|11|F|H]|$D|12|E|13|F|H]|$D|14|E|15|F|H]|$D|16|E|17|F|H]]|9|@]|A|$]]|$1|I|3|J|5|6|7|18|8|@]|9|@]|A|$]]|$1|K|3|-4|5|6|7|19|8|@]|9|@]|A|$]]]|L|$]]

I had also the same problem and finally I could overcame it.

<code>Solution Explorer</code> → <code>Right click on project</code> → <code>Properties</code> → <code>Web tab</code> → <code>Project Url</code>

I have chosen another port number, and every things became fine!

blocks|key|2910540|text|我打开我的web.config文件，找到并删除了这个部分：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2910541|<authorization>
++<deny+users="?"+/>
</authorization>|code-block|syntax|javascript|2910542|我的网站打开了，但是身份验证有问题..|2910543|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

I opened my web.config file, and found and removed this section:

<pre><code>&lt;authorization&gt;
 &lt;deny users="?" /&gt;
&lt;/authorization&gt;
</code></pre>

and my site came up, but there are issuues with the authentication..

blocks|key|238361|text|以上这些对我来说都不起作用。在今天之前，这对我来说是有效的。然后我意识到我一直在我的笔记本电脑上创建一个托管连接，并与我的无线网络连接共享一个互联网连接。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|238362|解决我的问题的：|offset|length|style|BOLD|238363|进入控制面板>网络和互联网>网络连接|238364|右键单击您可能有的任何辅助无线网络连接(我的名称为无线网络连接2)，然后单击“属性”。|238365|转到顶部的“共享”选项卡。|238366|取消选中“允许其他网络用户通过此计算机的Internet连接进行连接”的复选框。|238367|点击OK+>然后单击Apply。|238368|希望这能有所帮助！|238369|entityMap^0|0|7|1|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|V|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|W|8|@$D|X|E|Y|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|Z|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|10|8|@]|9|@]|A|$]]|$1|L|3|M|5|6|7|11|8|@]|9|@]|A|$]]|$1|N|3|O|5|6|7|12|8|@]|9|@]|A|$]]|$1|P|3|Q|5|6|7|13|8|@]|9|@]|A|$]]|$1|R|3|S|5|6|7|14|8|@]|9|@]|A|$]]|$1|T|3|-4|5|6|7|15|8|@]|9|@]|A|$]]]|U|$]]

None of the above had worked for me. This had been working for me prior to today. I then realized I had been working with creating a hosted connection on my laptop and had Shared an internet connection with my Wireless Network Connection.

To fix my issue:

Go to Control Panel > Network and Internet > Network Connections

Right click on any secondary Wireless Network Connection you may have (mine was named Wireless Network Connection 2) and click 'Properties'.

Go to the 'Sharing' tab at the top.

Uncheck the box that states 'Allow other network users to connect through this computer's Internet connection'.

Hit OK > then Apply.

Hope this helps!

blocks|key|3124639|text|我刚刚在IIS+EXPRESS中修复了这个问题，通过编辑应用程序主机.config到特定于下面的位置部分来修复它。我在Visual+Studio+2012中设置了Windows身份验证，但当我进入XML时，它是这样的。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3124640|下面需要添加windows+auth标签，如下所示。|3124641|<windowsAuthentication+enabled="true"+/>

<location+path="MyApplicationbeingDebugged">
++++++++``<system.webServer>
++++++++++++<security>
++++++++++++++++<authentication>
++++++++++++++++++++<anonymousAuthentication+enabled="false"+/>
+++++++++++++++++++++
++++++++++++++++</authentication>
++++++++++++</security>
++++++++</system.webServer>
</location>|code-block|syntax|javascript|3124642|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|L|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|M|8|@]|9|@]|A|$G|H]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

I just fixed this exact problem in IIS EXPRESS fixed it by editing the application host .config to the location section specific to the below. I had set Windows Authentication in Visual Studio 2012 but when I went into the XML it looked like this. 

the windows auth tag needed to be added below as shown.

<pre><code>&lt;windowsAuthentication enabled="true" /&gt;

&lt;location path="MyApplicationbeingDebugged"&gt;
 ``&lt;system.webServer&gt;
 &lt;security&gt;
 &lt;authentication&gt;
 &lt;anonymousAuthentication enabled="false" /&gt;
 &lt;!-- INSERT TAG HERE --&gt; 
 &lt;/authentication&gt;
 &lt;/security&gt;
 &lt;/system.webServer&gt;
&lt;/location&gt;
</code></pre>

blocks|key|2910329|text|我一直在努力解决这个问题，试图使用Provider+Hosted为SharePoint创建一个简单的应用程序。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2910330|在查看完applicationhost.config之后，在部分中，basicAuthentication被设置为false。在我的场景中，我将其更改为true以超过401.2。有关如何查找IIS+Express的applicationhost.config，还有许多其他链接。|2910331|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

I've been struggling with this problem trying to create a simple App for SharePoint using Provider Hosted.

After going through the applicationhost.config, in the section, basicAuthentication was set to false. I changed it to true to get past the 401.2 in my scenario. There are plenty of other links of how to find the applicationhost.config for IIS Express.

blocks|key|240801|text|我在任何地方都没有看到这个“完整”的答案；我只是在我发布了这篇文章后看到了一个关于更改端口号的答案，所以呢。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|240802|确保在visual+studio的项目属性中，该项目url未分配给在IIS中用于任何站点绑定的相同url或端口。|240803|我正在查找“为什么”，但我的假设是，IIS和Visual+Studio的IIS+express在创建虚拟目录时都使用相同的目录，并且Visual+Studio只能创建新的虚拟目录，并且不能修改IIS在将其绑定应用到站点时创建的任何目录。|240804|请随时纠正我的原因。|240805|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|J|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|K|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|L|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|M|8|@]|9|@]|A|$]]|$1|H|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|I|$]]

I didn't see this "complete" answer anywhere; I just saw the one about changing port numbers after I posted this, so meh.

Make sure that in your project properties in visual studio that project url is not assigned to the same url or port that is being used in IIS for any site bindings.

I'm looking up the "why" for this, but my assumption off the top of my head is that both IIS and Visual Studio's IIS express use the same directory when creating virtual directories and Visual Studio can only create new virtual directories and cannot modify any that IIS has created when it applies it's bindings to the site. 

feel free to correct me on the why.

blocks|key|243404|text|我们的错误页面位于登录页面的后面，但是登录页面的其中一个控件中有一个错误，这将创建一个无限循环。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|243405|我们从有问题的页面中删除了所有控件，并将它们逐个添加回来，直到找到并修复了正确的控件。|243406|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

Our error page was behind the login page, but the login page had an error in one of the controls, which creates an infinite loop.

We removed all the controls from the offending page, and added them back one by one until the correct control was located and fixed.

blocks|key|238443|text|在我的例子(ASP.NET+MVC4应用程序)中，缺少Global.asax文件。它出现在解决方案资源管理器中时带有一个感叹号。我替换了它，错误就消失了。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|238444|entityMap^0|R|B|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|K|8|@]|D|@]|E|$]]]|G|$]]

In my case (ASP.NET MVC 4 application), the <code>Global.asax</code> file was missing. It was appearing in Solution explorer with an exclamation mark. I replaced it and the error went away.

I have created an ASP.NET MVC 3 project, and am using IIS Express as the web server when developing. When I try to debug, I get the error message below.

How can this be solved?

<blockquote>
 Server Error in '/' Application.
 
 Access is denied.
 Description: An error occurred while accessing the resources required to serve this request. The server may not be configured for access to the requested URL.
 
 Error message 401.2.: Unauthorized: Logon failed due to server configuration. Verify that you have permission to view this directory or page based on the credentials you supplied and the authentication methods enabled on the Web server. Contact the Web server's administrator for additional assistance.
</blockquote>

IIS Express gives Access Denied error when debugging ASP.NET MVC

Visual Studio

身份验证

服务器

Windows

我已经创建了一个IISMVC3项目，并且在开发时使用ASP.NET Express作为web服务器。当我尝试调试时，我得到了下面的错误消息。如何解决这个问题呢？'/‘应用程序中的服务器错误。访问被拒绝。说明:访问服务此请求所需的资源时出错。服务器可能未配置为访问请求的URL。错误消息401.2。错误消息:未授权:由于服务器配置的原因，登录失败。根据您提供的凭据和在Web服务器上启用的身份验证方法，

问IIS Express在调试ASP.NET MVC时出现访问被拒绝错误
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