blocks|key|254743|text|转到IIS管理器并单击服务器名称。然后单击IIS标题下的"ISAPI和CGI限制“图标。将ASP.NET+4.0从“不允许”更改为“允许”。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|254744|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|$]]

Go to IIS manager and click on the server name. Then click on the "ISAPI and CGI Restrictions" icon under the IIS header. Change ASP.NET 4.0 from "Not Allowed" to "Allowed".

blocks|key|254764|text|如果您查看CGI和限制，并且所有内容都已经设置为Allowed，那么请确保ASP.NET+v4.0.30319处理程序甚至在列表中。在我的情况下，他们不是。这一点很容易被忽视。|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|254765|254766|我添加了一个用于32位%25windir%25\Microsoft.NET\Framework\v4.0.30319\aspnet_isapi.dll，另一个用于64位%25windir%25\Microsoft.NET\Framework64\v4.0.30319\aspnet_isapi.dll。您可以将它们命名为相同的ASP.NET+v4.0.30319。|CODE|254767|选中允许扩展路径执行。|254768|entityMap^0|9|2|O|7|11|I|0|0|B|1O|28|1Q|4B|I|0|2|8|0^^$0|@$1|2|3|4|5|6|7|N|8|@$9|O|A|P|B|C]|$9|Q|A|R|B|C]|$9|S|A|T|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|U|8|@]|D|@]|E|$]]|$1|G|3|H|5|6|7|V|8|@$9|W|A|X|B|I]|$9|Y|A|Z|B|I]|$9|10|A|11|B|I]]|D|@]|E|$]]|$1|J|3|K|5|6|7|12|8|@$9|13|A|14|B|C]]|D|@]|E|$]]|$1|L|3|-4|5|6|7|15|8|@]|D|@]|E|$]]]|M|$]]

If you look in the ISAPI And CGI Restrictions, and everything is already set to Allowed, then make sure that the ASP.NET v4.0.30319 handlers are even in the list. In my case they were not. This can be easy to overlook.

<hr>

I added one for 32 <code>%windir%\Microsoft.NET\Framework\v4.0.30319\aspnet_isapi.dll</code> and another for 64 bit <code>%windir%\Microsoft.NET\Framework64\v4.0.30319\aspnet_isapi.dll</code>. You can name them both the same <code>ASP.NET v4.0.30319</code>. 

Check Allow extension path to execute.

blocks|key|254774|text|click+on+>打开服务器名称，如(PC-Name)\.|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|254775|then，双击ISAPI和CGI+Restriction.|unordered-list-item|254776|
|254777|then，选择+ASP.NET+v4.0.30319(32位)|254778|allowed。|ordered-list-item|254779|254780|254781|254782|entityMap^0|J|A|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@$9|V|A|W|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|X|8|@]|D|@]|E|$]]|$1|I|3|J|5|6|7|Y|8|@]|D|@]|E|$]]|$1|K|3|L|5|H|7|Z|8|@]|D|@]|E|$]]|$1|M|3|N|5|O|7|10|8|@]|D|@]|E|$]]|$1|P|3|-4|5|O|7|11|8|@]|D|@]|E|$]]|$1|Q|3|-4|5|6|7|12|8|@]|D|@]|E|$]]|$1|R|3|-4|5|6|7|13|8|@]|D|@]|E|$]]|$1|S|3|-4|5|6|7|14|8|@]|D|@]|E|$]]]|T|$]]

<ol>
<li>Go to the IIS Manager.</li>
<li>open the server name like <code>(PC-Name)\</code>.</li>
<li>then double click on the ISAPI and CGI Restriction.</li>
<li>then select ASP.NET v4.0.30319(32-bit) Restriction allowed.</li>
</ol>

blocks|key|254870|text|在我的例子中，问题更为严重:原来asp.net没有正确注册。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|254871|This+response+worked+fine。|offset|length|254872|254873|只需在命令提示符下运行以下命令|blockquote|254874|254875|%25windir%25\Microsoft.NET\Framework64\v4.0.30319\aspnet_regiis.exe+-i|254876|如果我使用的是32位系统，它将如下所示：|254877|%25windir%25\Microsoft.NET\Framework\v4.0.21006\aspnet_regiis.exe+-i|254878|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/a/10541165/315376^0|0|0|P|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Y|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|Z|8|@]|9|@$D|10|E|11|1|12]]|A|$]]|$1|F|3|-4|5|6|7|13|8|@]|9|@]|A|$]]|$1|G|3|H|5|I|7|14|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|15|8|@]|9|@]|A|$]]|$1|K|3|L|5|6|7|16|8|@]|9|@]|A|$]]|$1|M|3|N|5|6|7|17|8|@]|9|@]|A|$]]|$1|O|3|P|5|6|7|18|8|@]|9|@]|A|$]]|$1|Q|3|-4|5|6|7|19|8|@]|9|@]|A|$]]]|R|$S|$5|T|U|V|A|$W|X]]]]

In my case, the problem was more severe: turns out asp.net was not correctly registered.

<a href="https://stackoverflow.com/a/10541165/315376">This response worked fine</a>.

<blockquote>
 simply ran the following command at the command prompt

<pre><code>%windir%\Microsoft.NET\Framework64\v4.0.30319\aspnet_regiis.exe -i
</code></pre>
 
 If I had been on a 32 bit system, it would have looked like the following:

<pre><code>%windir%\Microsoft.NET\Framework\v4.0.21006\aspnet_regiis.exe -i
</code></pre>
</blockquote>

blocks|key|3149557|text|步骤1:打开IIS，点击服务器名称；步骤2.双击“ISAPI和CGI限制”步骤3.右键点击ASP.NET+v4.0.30319，选择“允许”|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3149558|停止并启动万维网发布服务后|3149559|1.转到开始>所有程序>管理工具>服务。2.在“服务”列表中，右键单击“万维网发布服务”，然后单击“停止”(停止服务)、“启动”(在停止后启动服务)或“重新启动”(在服务运行时重新启动服务)。|3149560|Pramesh|3149561|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|$]]

Step 1: Open IIS and click the server name
Step 2. Double click “ISAPI and CGI Restrictions”
Step 3. Right click ASP.NET v4.0.30319 and select “allow”

After 
Stopping and Starting the World Wide Web Publishing Service

1.Go to Start > All Programs > Administrative Tools > Services.
2.In the services list, right-click World Wide Web Publishing Service, and then click Stop (to stop the service), Start (to start it after it has been stopped), or Restart (to restart the service when it is running).

Pramesh

blocks|key|3149468|text|如果您运行的是Delphi或其他本机编译的CGI，则此解决方案将有效：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3149469|IIS+|3149470|如其他所指向的，转到IIS管理器并单击服务器名称。然后点击IIS头下面的"ISAPI+and+CGI+Restrictions“图标。|unordered-list-item|3149471|
|3149472|如果你允许所有的东西，它仍然不会工作。您需要点击Actions+(右侧)中的"Edit+Feature+Settings“，勾选"Allow+unspecified+CGI+modules”或"Allow+unspecified+ISAPI+modules“respectively.|3149473|3149474|Click+OK|3149475|3149476|entityMap^0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|R|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|S|8|@]|9|@]|A|$]]|$1|G|3|H|5|6|7|T|8|@]|9|@]|A|$]]|$1|I|3|J|5|F|7|U|8|@]|9|@]|A|$]]|$1|K|3|H|5|6|7|V|8|@]|9|@]|A|$]]|$1|L|3|M|5|F|7|W|8|@]|9|@]|A|$]]|$1|N|3|-4|5|6|7|X|8|@]|9|@]|A|$]]|$1|O|3|-4|5|6|7|Y|8|@]|9|@]|A|$]]]|P|$]]

If you are running Delphi, or other native compiled CGI, this solution will work:

<ol>
<li>As other pointed, go to IIS manager and click on the server name. Then click on the "ISAPI and CGI Restrictions" icon under the IIS header.</li>
<li>If you have everything allowed, it will still not work. You need to click on "Edit Feature Settings" in Actions (on the right side), and check "Allow unspecified CGI modules", or "Allow unspecified ISAPI modules" respectively.</li>
<li>Click OK</li>
</ol>

blocks|key|254880|text|在我们的例子中，这个问题的解决方案不涉及"ISAPI和CGI限制“设置。在操作人员意外将服务器升级到.NET+4.5，然后再次降级到.NET+4.0后，开始出现错误。这导致一些IIS网站忘记了各自正确的应用程序池，并导致一些应用程序池从.NET+Framework4.0切换到2.0。将这些设置改回已修复问题。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|254881|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|$]]

In our case the solution to this problem did not involve the "ISAPI and CGI Restrictions" settings. The error started occuring after operations staff had upgraded the server to .NET 4.5 by accident, then downgraded to .NET 4.0 again. This caused some of the IIS websites to forget their respective correct application pools, and it caused some of the application pools to switch from .NET Framework 4.0 to 2.0. Changing these settings back fixed the problem.

blocks|key|252764|text|如果您查看ISAPI和CGI+Restrictions，并且所有内容都已经设置为Allowed，并且安装的ASP.NET是v4.0.30319，那么在右侧的"Actions“面板中，单击"Edit+Feature+Settings...”并选中这两个复选框。在我的情况下，他们不是。|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|252765|entityMap^0|5|M|1P|A|27|7|2M|O|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 look in the ISAPI And CGI Restrictions, and everything is already set to Allowed, and the ASP.NET installed is v4.0.30319, then in the right, at the "Actions" panel click in the "Edit Feature Settings..." and check both boxes. In my case, they were not.

blocks|key|254746|text|尝试将AppPool管理管道模式从“集成”更改为“经典”。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|254747|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|$]]

Try changing the AppPool Manged Pipeline Mode from "Integration" to "Classic".

blocks|key|251050|text|根据应用程序的类型，另一件需要检查的事情是在应用程序池的高级设置下确保“启用32位应用程序”设置为True。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|251051|当我遇到这个问题时，我已经检查了这个线程中的所有东西，但是所有的东西都已经正确设置了，我发现这就是我的问题。|251052|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|$]]

Depending on the type of application, another thing to check is under the Advanced Settings for the Application Pool make sure "Enable 32-Bit Applications" is set to True. 

I'd checked everything in this thread when I had this issue but all had already been setup correctly, I found this was the problem for me.

blocks|key|3149687|text|如果您没有列出ISAPI和CGI限制选项，以下是如何添加它。How+to+add+ISAPI+and+CGI+Restrictions|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|3149688|​|3149689|📷|atomic|3149690|3149691|entityMap|0|LINK|mutability|MUTABLE|url|https://www.iis.net/configreference/system.webserver/security/isapicgirestriction|1|IMAGE|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/4c91f32644788368f7d61cae42a9e434.png|imageAlt^0|U|11|0|0|0|0|1|1|0|0^^$0|@$1|2|3|4|5|6|7|X|8|@]|9|@$A|Y|B|Z|1|10]]|C|$]]|$1|D|3|E|5|6|7|11|8|@]|9|@]|C|$]]|$1|F|3|G|5|H|7|12|8|@]|9|@$A|13|B|14|1|15]]|C|$]]|$1|I|3|E|5|6|7|16|8|@]|9|@]|C|$]]|$1|J|3|-4|5|6|7|17|8|@]|9|@]|C|$]]]|K|$L|$5|M|N|O|C|$P|Q]]|R|$5|S|N|T|C|$U|V|W|-4]]]]

<h2>If you don't have ISAPI and CGI Restrictions option listed, here is how to add it. <a href="https://www.iis.net/configreference/system.webserver/security/isapicgirestriction" rel="nofollow noreferrer">How to add ISAPI and CGI Restrictions</a></h2>

<a href="https://i.stack.imgur.com/4bhMk.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/4bhMk.png" alt="enter image description here"></a>

blocks|key|254749|text|映射应用程序后，请执行以下步骤|type|unstyled|depth|inlineStyleRanges|entityRanges|data|254750|打开IIS单击应用程序池双击网站将管理管道模式更改为“经典”单击“确定”。|254751|现在将.Net框架版本更改为较低版本|254752|然后单击确定|254753|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|$]]

After mapping of Application follow these steps

Open IIS 
Click on Applications Pools
Double click on website
Change Manage pipeline mode to "classic"
click Ok.

Ow change .Net Framework Version to Lower version

Then click Ok

Hey I got problem in running <code>.NET framework 4.0</code> website on <code>IIS7.0</code>.
the error I got is like:

HTTP Error 404.2 - Not Found "The page you are requesting cannot be served because of the <code>ISAPI</code> and <code>CGI</code> Restriction list settings on the Web server".

<pre><code>Module : IsapiModule , 
Notification : ExecuteRequestHandler, 
Handler : PageHandlerFactory-ISAPI-4.0_32bit , 
Error Code : 0x800704ec
</code></pre>

Problem in running .net framework 4.0 website on iis 7.0

服务器

嘿，我在IIS7.0上运行.NET framework 4.0网站时遇到了问题。我得到的错误如下：Web 404.2 - Not Found“由于服务器上的ISAPI和CGI限制列表设置，无法提供您请求的页面”。Module : IsapiModule , Notification : ExecuteRequestHandler, Handler : PageHandlerFactory-ISAP

问在iis 7.0上运行.net Framework4.0网站时出现问题
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问在iis 7.0上运行.net Framework4.0网站时出现问题EN

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问在iis 7.0上运行.net Framework4.0网站时出现问题
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