blocks|key|2470271|text|我和@Myles+J也有类似的问题，但是重命名%25userprofile%25\Documents\IISExpress\config\applicationhost.config不起作用。我要做的是：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2470272|关闭。|ordered-list-item|2470273|重命名%25userprofile%25\Documents\IISExpress\config+目录。|BOLD|2470274|再次启动。%25userprofile%25\Documents\IISExpress\config目录将使用默认配置文件重新创建。|2470275|将原始applicationhost.config文件复制到自动生成的文件上。|2470276|2470277|2470278|在有人问:文件夹的权限是相同的之前，没有在文件夹或其文件上设置只读标志，我也没有以任何方式修改applicationhost.config。|2470279|entityMap^0|N|1S|0|0|3|15|19|2|0|5|15|0|3|M|0|0|0|1B|M|0^^$0|@$1|2|3|4|5|6|7|V|8|@$9|W|A|X|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|Y|8|@]|D|@]|E|$]]|$1|I|3|J|5|H|7|Z|8|@$9|10|A|11|B|C]|$9|12|A|13|B|K]]|D|@]|E|$]]|$1|L|3|M|5|H|7|14|8|@$9|15|A|16|B|C]]|D|@]|E|$]]|$1|N|3|O|5|H|7|17|8|@$9|18|A|19|B|C]]|D|@]|E|$]]|$1|P|3|-4|5|6|7|1A|8|@]|D|@]|E|$]]|$1|Q|3|-4|5|6|7|1B|8|@]|D|@]|E|$]]|$1|R|3|S|5|6|7|1C|8|@$9|1D|A|1E|B|C]]|D|@]|E|$]]|$1|T|3|-4|5|6|7|1F|8|@]|D|@]|E|$]]]|U|$]]

I had a similar issue to @Myles J but renaming <code>%userprofile%\Documents\IISExpress\config\applicationhost.config</code> didn't work. What I had to do was the following:

<ol>
<li>Close Visual Studio.</li>
<li>Rename the <code>%userprofile%\Documents\IISExpress\config</code> directory.</li>
<li>Start Visual Studio again. The <code>%userprofile%\Documents\IISExpress\config</code> directory will be recreated with the default config files.</li>
<li>Copy the original <code>applicationhost.config</code> file over the autogenerated one.</li>
</ol>

Before anyone asks: the permissions on the folders were identical, the read-only flag was not set on the folder or its files, and I didn't modify <code>applicationhost.config</code> in any way.

blocks|key|2470533|text|安装IIS后，从|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2470534|C:\Program+\IIS\config\模板\PersonalWebServer
|blockquote|2470535|2470536|至|2470537|%25userprofile%25\文档\IISExpress\config|2470538|2470539|entityMap^0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$]]|$1|E|3|-4|5|6|7|O|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|P|8|@]|9|@]|A|$]]|$1|H|3|I|5|D|7|Q|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|R|8|@]|9|@]|A|$]]|$1|K|3|-4|5|6|7|S|8|@]|9|@]|A|$]]]|L|$]]

After installing IIS Express, copy all files from 

<blockquote>
 C:\Program Files\IIS Express\config\templates\PersonalWebServer
</blockquote>

to 

<blockquote>
 %userprofile%\Documents\IISExpress\config
</blockquote>

blocks|key|1591362|text|右键单击您的项目文件并编辑该项目文件，从IISUrl中删除该URL并重新加载您的项目，然后它将工作。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1591363|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|$]]

Right click on your project file and Edit the project file and remove the URL from IISUrl and reload your project then it will work

blocks|key|2266814|text|我刚刚解决了这个问题。这是一个奇怪的解决办法，但对我有效。以下是我所采取的步骤：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2266815|导航到包含本地IISExpress配置文件的文件夹(通常是Documents>IISExpress>config+on+Windows7)。|2266816|查找applicationhost.config文件。将其重命名为不同的东西，例如applicationhost2.config。|2266817|导航到Visual中的web项目(我使用的是VS+2012)。右键单击web项目并选择“使用IISExpress”。负责这个项目。由于重新命名配置文件，它应该会失败。|2266818|将配置文件的名称更改为application.config。确保在Web项目设置中选择“使用本地IIS+web服务器”。执行解决方案。|2266819|这对我有用。|2266820|entityMap^0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|O|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|P|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|Q|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|R|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|S|8|@]|9|@]|A|$]]|$1|L|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|M|$]]

I have just resolved this. It is a strange solution but it worked for me. Here are the steps I took:

Navigate to the folder containing the local IISExpress config files (normally My Documents>IISExpress>config on Windows7).

Find the applicationhost.config file. Rename it to something different e.g. applicationhost2.config.

Navigate to your web project in Visual Studio (I was using VS 2012). Right click on the web project and select Use IISExpress. Run the project. It should fail due to the renaming of the config file.

Change the name of the configuration file back to application.config. Ensure "Use Local IIS Web Server" is selected in the web project settings. Run the solution.

This worked for me.

blocks|key|2267150|text|如果你这样做了：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2267151|C:\Users\”username*****”\Documents\IISExpress\config|code-block|syntax|javascript|2267152|你可以找到这些文件|2267153|applicationhost.config
aspnet.config
redirection.config|2267154|删除上面的3个文件，然后打开project.then，问题解决了。我试过了，效果很好。|2267155|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|S|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

If you do:

<pre><code>C:\Users\”username*****”\Documents\IISExpress\config
</code></pre>

You find these file 

<pre><code>applicationhost.config
aspnet.config
redirection.config
</code></pre>

Delete above 3 file and then open the project.then the problem is solved. I tried, its working fine.

blocks|key|2266857|text|我在Windows8.1上的Visual+2013中也有同样的问题--我将我的文档文件夹映射到SkyDrive，因此IISExpress文件夹被标记为“Online+Online”。有一次我把它标记为“可用的离线”，一切都成功了。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2266858|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|$]]

I have the exact same issue with Visual Studio 2013 on Windows 8.1
I map My Documents folder to SkyDrive, so the IISExpress folder was marked as "Online-only". Once I marked it as "Available offline" everything worked.

blocks|key|2470911|text|Visual只报告它查找的文件名，而不是完整的路径。对于许多用户来说，问题是IISExpress和redirection.config可以存在于多个路径中，包括一个可能不同步的OneDrive路径。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2470912|若要确切了解Visual试图打开的文件，请使用Microsoft+(SysInternals)工具ProcMon。它列出了Windows试图访问的所有文件和资源。为"Path包含redirection.config“添加一个筛选器，并在Visual中重现这个问题。现在，您将看到它试图使用的实际路径。|2470913|在我的例子中，我有多个IISExpress文件夹。一个同步到OneDrive，另一个是本地的。Visual尝试访问未同步到本地磁盘的OneDrive文件夹，因此失败。|2470914|​|2470915|📷|atomic|offset|length|2470916|2470917|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://developer.qcloudimg.com/http-save/yehe-900000/a604877a564239fbcd0e384ea306eaa2.png|imageAlt^0|0|0|0|0|0|1|0|0|0^^$0|@$1|2|3|4|5|6|7|W|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|X|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|Y|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|Z|8|@]|9|@]|A|$]]|$1|H|3|I|5|J|7|10|8|@]|9|@$K|11|L|12|1|13]]|A|$]]|$1|M|3|G|5|6|7|14|8|@]|9|@]|A|$]]|$1|N|3|-4|5|6|7|15|8|@]|9|@]|A|$]]]|O|$P|$5|Q|R|S|A|$T|U|V|-4]]]]

Visual Studio will only report the filename it looks for, not the full path. The problem for many users is that the IISExpress with the redirection.config can exist in multiple paths, including a OneDrive path which may not be synced.
To figure out exactly what file Visual Studio attempts to open, use the Microsoft (SysInternals) tool ProcMon. It lists all files and resources Windows tries to access. Add a filter for &quot;Path contains redirection.config&quot; and reproduce the problem in Visual Studio. Now you will see the actual path it tries to use.
In my case, I have multiple IISExpress folders. One that was synced to OneDrive and another one that was local. Visual Studio tried to access the OneDrive folder which was not synced to the local disk, and thus it failed.
<a href="https://i.stack.imgur.com/X8NAr.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/X8NAr.png" alt="Forcing IISExpress folder to store files locally resolved the problem" /></a>

blocks|key|2470496|text|在某些情况下，仅仅重命名/删除applicationhost.config文件是不够的，因为VS并不总是为您重新创建它。我相信在任何情况下，以下措施都会解决这个问题：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2470497|关闭。|2470498|确保没有IIS进程正在运行，然后删除C:\Users\XXXX\Documents\IISExpress\config\applicationhost.config+(其中XXXX是您的Windows+)。|2470499|在命令行上，执行c:\Program+\IIS+Express\iisexpress.exe。这将重新建立必要的信任。立即按“Q”键结束这一过程。|2470500|再次打开Visual并启动/调试您的web项目。现在一切都正常了。|2470501|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|M|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|N|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|O|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|P|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|K|$]]

In some situations simply renaming/deleting the applicationhost.config file isn't enough since VS won't always recreate it for you. I believe the following will fix it under all circumstances:

Close Visual Studio.

Make sure there are no IIS Express processes running, then delete C:\Users\XXXX\Documents\IISExpress\config\applicationhost.config (where XXXX is your Windows username).

On command line, execute c:\Program Files\IIS Express\iisexpress.exe. This will recreate the necessary configs. Press 'Q' straight away to end the process.

Open Visual Studio again and Start/Debug your web project. Everything should now be working.

blocks|key|2267089|text|在本地IISExpress文件夹中备份文件。它可以在:+C:\Users\”username*****”\Documents\IISExpress\config上找到。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2267090|前往地点：|2267091|C:\Program+\IIS\config\模板\PersonalWebServer|2267092|将所需文件从此目录复制到本地IISExpress文件夹。|2267093|在我复制了文件之后，它对我起了作用：|2267094|applicationhost.config|2267095|aspnet.config|2267096|redirection.config|2267097|entityMap^0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|R|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|S|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|T|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|U|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|V|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|W|8|@]|9|@]|A|$]]|$1|L|3|M|5|6|7|X|8|@]|9|@]|A|$]]|$1|N|3|O|5|6|7|Y|8|@]|9|@]|A|$]]|$1|P|3|-4|5|6|7|Z|8|@]|9|@]|A|$]]]|Q|$]]

Backup files at local IISExpress folder. It can be found at: C:\Users\”username*****”\Documents\IISExpress\config 
Go to the location: 
C:\Program Files\IIS Express\config\templates\PersonalWebServer 
Copy the required files from this directory to the local IISExpress folder. 
It worked for me after I copied over the files: 
applicationhost.config 
aspnet.config 
redirection.config

blocks|key|2267202|text|在我的例子中，我的工作笔记本电脑的“我的文档”文件夹被映射到一个网络共享。因此，当工作网络不可用时，我无法打开我的解决方案。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2267203|更改:这些文件在网络共享中具有我的文档的价值。将此更改为本地|2267204|I.+Computer\HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell文件夹\个人|2267205|II.+Computer\HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\User+Shell文件夹\个人|2267206|例如：|2267207|旧值：\networkdrive\c$\Users\profile\Document|2267208|新值:C：\Users\profile\Document|2267209|请参阅：https://blogs.msdn.microsoft.com/chiranth/2015/04/01/error-while-runningstarting-a-website-under-iisexpress-in-visual-studio/|offset|length|2267210|entityMap|0|LINK|mutability|MUTABLE|url|https://blogs.msdn.microsoft.com/chiranth/2015/04/01/error-while-runningstarting-a-website-under-iisexpress-in-visual-studio/^0|0|0|0|0|0|0|0|4|3H|0|0^^$0|@$1|2|3|4|5|6|7|Z|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|10|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|11|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|12|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|13|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|14|8|@]|9|@]|A|$]]|$1|L|3|M|5|6|7|15|8|@]|9|@]|A|$]]|$1|N|3|O|5|6|7|16|8|@]|9|@$P|17|Q|18|1|19]]|A|$]]|$1|R|3|-4|5|6|7|1A|8|@]|9|@]|A|$]]]|S|$T|$5|U|V|W|A|$X|Y]]]]

In my case the 'My documents' folder for my work laptop was mapped to a network share. So when the work network was not available I was not able to open my solution.

Change:
These will have the value of my docs in network share. Change this to local

I. Computer\HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders\Personal

II. Computer\HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders\Personal

For eg:

Old value: \networkdrive\c$\Users\profile\Documents

New value: C:\Users\profile\Documents

See:
<a href="https://blogs.msdn.microsoft.com/chiranth/2015/04/01/error-while-runningstarting-a-website-under-iisexpress-in-visual-studio/" rel="nofollow">https://blogs.msdn.microsoft.com/chiranth/2015/04/01/error-while-runningstarting-a-website-under-iisexpress-in-visual-studio/</a>

blocks|key|2267132|text|问题是C：\Users\“您的用户名”\Documents\IISExpress\config中的文件是加密的。打开此文件夹，选择所有文件，右键单击并选择属性，单击高级，取消选择“加密内容以保护数据，单击okay，单击应用。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2267133|这会解决问题的。|2267134|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|$]]

The issue is that the files in C:\Users\"Your Username"\Documents\IISExpress\config are encrypted. 
Open this folder, Select all the files, Right click and select properties,
Click advanced, deselect "Encrypt contents to secure data, Click okay, click apply.

That will fix it.

blocks|key|2266962|text|使用2013|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2266963|我必须停止visual+studio重命名整个配置目录，Documents+>+IISExpress>+config然后启动一个新的web项目，这个项目失败了，但是它重新创建了配置目录，然后我重启并启动了visual，一切都成功了！|2266964|在两台计算机之间复制一个项目后，我注意到了这个问题，可能是由于重复的IISExpress端口或其他一些琐碎的原因造成的。|2266965|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|H|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|I|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|J|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|G|$]]

Using Visual Studio 2013

I had to stop visual studio rename the whole config directory, Documents > IISExpress> Config then start a new web project, which fails but it recreates the config directory, then I rebooted and launched visual studio and everything worked!

I noticed this problem after copying a project between 2 computers, perhaps it was caused by a duplicate IISExpress port or something trivial.

blocks|key|1591399|text|使用VS2013+/+Windows+7|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1591400|接近解决方案。打开Windows资源管理器，右键单击"My+\IISExpress\config“目录并选择”解密“。确保选中“对此文件夹、子文件夹和文件应用更改”。重开对解决方案。|1591401|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|$]]

Using VS2013 / Windows 7

Close solution. Open Windows Explorer and right-click on "My Documents\IISExpress\config" directory and select "Decrypt". Be sure "Apply changes to this folder, subfolders and files" is selected. Reopen VS solution.

blocks|key|2267107|text|在我的例子中，当IISExpress从上一个VS会话中仍然处于活动状态并运行VS的新实例时，就发生了这种情况。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2267108|解决方案是停止(或杀死)+instance实例。|2267109|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|$]]

In my case it happened when IISExpress was still active from a previous VS session and new instance of VS was run.

The solution was to stop (or kill) IIS Express instance.

blocks|key|2470723|text|修复对我来说真的很简单，>>重启Visual|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2470724|我的设置：|2470725|Visual+Studio+2015|unordered-list-item|2470726|Web项目使用本地IIS+8.5|2470727|我偶尔会体验到我认为是VS错误的地方，它会将一些项目转换为使用IISExpress+(通过删除/This+PC/Documents中创建的文件夹来修复这个问题)。这可能是有关联的。|2470728|2470729|2470730|entityMap^0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|P|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|Q|8|@]|9|@]|A|$]]|$1|G|3|H|5|F|7|R|8|@]|9|@]|A|$]]|$1|I|3|J|5|F|7|S|8|@]|9|@]|A|$]]|$1|K|3|-4|5|6|7|T|8|@]|9|@]|A|$]]|$1|L|3|-4|5|6|7|U|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|V|8|@]|9|@]|A|$]]]|N|$]]

Fix was really simple for me >> Restart Visual Studio

My setup: 

<ul>
<li>Visual Studio 2015</li>
<li>Web projects use local IIS 8.5</li>
<li>I occasionally experience what I believe to be a VS bug where it converts some projects to use IISExpress (this is fixed by deleting the folder created in /This PC/Documents). This might be related.</li>
</ul>

blocks|key|2470843|text|您不需要关闭Visual或重命名任何内容。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2470844|打开%25userprofile%25\文档的属性|ordered-list-item|2470845|选择Security+>+Advanced，将所有者更改为您自己(同样，如果您已经是所有者)。|2470846|选择“替换子容器和对象上的所有者”和“用该对象继承的权限项替换所有子对象权限实体”。|2470847|好的。|2470848|2470849|2470850|entityMap^0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$]]|$1|E|3|F|5|D|7|Q|8|@]|9|@]|A|$]]|$1|G|3|H|5|D|7|R|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|S|8|@]|9|@]|A|$]]|$1|K|3|-4|5|6|7|T|8|@]|9|@]|A|$]]|$1|L|3|-4|5|6|7|U|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|V|8|@]|9|@]|A|$]]]|N|$]]

You don't need to close Visual Studio or rename anything.

<ol>
<li>Open properties for %userprofile%\Documents</li>
<li>Select Security > Advanced, change owner to yourself (again if you are already owner).</li>
<li>Select "Replace owner on subcontainers and objects" and "Replace all child object permission entires with inherited permission entires from this object".</li>
<li>Ok.</li>
</ol>

blocks|key|2471027|text|对我来说，这是一个简单的缺乏权限，要么给予每个人"%25userprofile%25\Documents\IISExpress\config“这个文件夹的权限，要么在管理模式下打开VS|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2471028|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|$]]

For me, It's a simple lack of permission either give everyone permission
to &quot;%userprofile%\Documents\IISExpress\config&quot; this folder or Open VS in Admin mode

blocks|key|2471034|text|对我来说是删除文件Documents\IISExpress\config\applicationhost.config|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2471035|关闭visual+studio+>+Open+>+Debug|2471036|谢谢你先前的回答，帮助你直奔这个问题|2471037|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|H|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|I|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|J|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|G|$]]

for me was removing the file Documents\IISExpress\config\applicationhost.config
Closing visual studio &gt; Open &gt; Debug
Thanks for the previous answer help go straight to the issue

blocks|key|1591343|text|在试图解决将visual+studio中的IIS+express从集成管道更改为经典管道的快速修复问题之后，我最终无法使用issue。我试过以上所有的技巧..。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1591344|我无法重命名，复制文件。IIS的卸载和重新安装无效.|1591345|我最终下载了最新版本的WebMatrix并安装了itself+8，这是不起作用的，但至少那时我终于能够删除旧目录，然后重新创建自己……|1591346|一点都不好玩。|1591347|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 trying to solve an issue with a quick fix of changing IIS express inside visual studio from integrated to classic pipeline , I ended up not being able to use IIS express at all. I tried all techniques above...

I could not rename , copy the file. Uninstall of IIS express and re-install did not work.

I FINALLY downloaded the latest version of WebMatrix and installed IIS express 8, that did not work, but at least then i was able to finally delete the old directory and then I recreated itself..... 

NOT FUN AT ALL.

blocks|key|1591355|text|我解决了这个问题(使用vs2013和windows+7)，方法是转到Documents+>+IISExpress>+Config并重命名application.config。在那之后，我重新启动了视觉工作室，打开了我的项目，它成功了。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1591356|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|$]]

I resolved this (with vs2013 and windows 7) by going to Documents > IISExpress> Config and renaming the application.config. After that, I restarted visual studio and opened my project and it worked.

blocks|key|1594824|text|我在安装VS2013+(Update3RC)后试图打开另一个开发人员的解决方案时遇到了这个问题。在按照这里的建议删除/重命名/等config文件夹后，VS在错误的位置重新创建文件。它创建了嵌套的config文件夹：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1594825|C:\Usersuser\Documents\IISExpress\config\config|1594826|我把所有东西都从...\config\config转移到了...\config，一切都如期而至。|1594827|entityMap^0|1S|6|2P|6|0|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@$9|M|A|N|B|C]|$9|O|A|P|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|Q|8|@]|D|@]|E|$]]|$1|H|3|I|5|6|7|R|8|@]|D|@]|E|$]]|$1|J|3|-4|5|6|7|S|8|@]|D|@]|E|$]]]|K|$]]

I ran into this issue while trying to open another developer's solution after installing VS2013 (Update 3 RC). After following the advice here and deleting/renaming/etc. the <code>config</code> folder, VS re-created the files in the wrong location. It created nested <code>config</code> folders:

C:\Users[user]\Documents\IISExpress\config\config

I moved everything from ...\config\config into ...\config, and it worked as expected.

blocks|key|1594867|text|我发现从applicationhost.config文件中删除其中一个站点为我解决了这个问题。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1594868|我使用了来自%25ProgramFiles(x86)%25\IISExpress目录的以下命令：|offset|length|style|CODE|1594869|appcmd+list+site|code-block|syntax|javascript|1594870|然后|1594871|appcmd+delete+site+rogueSiteName|1594872|特别是有一个有括号内的数字后缀的网站名称(例如。我删除的“MySite(1)”。我还不确定VS2013是否只是对方括号有问题，还是两个站点指向同一个目录。不管是哪种方式，删除它都让VS再次高兴起来。|1594873|背景|1594874|我在这个问题上挣扎了几天，但似乎没有任何帮助--甚至是在这里的最上面的答案中给出的指示。|1594875|我还尝试过移动http://www.iis.net/learn/extensions/introduction-to-iis-express/iis-80-express-readme中提到的配置文件夹。但是，尽管VS2013在新位置重新创建了目录结构和文件，但错误仍在继续，运行appcmd显示默认情况下它仍然指向旧位置。|1594876|学分|1594877|我找到要使用的命令的地方归功于http://gyorgybalassy.wordpress.com/2013/12/02/cleaning-up-iis-express-configuration/|1594878|entityMap|0|LINK|mutability|MUTABLE|url|http://www.iis.net/learn/extensions/introduction-to-iis-express/iis-80-express-readme|1|http://gyorgybalassy.wordpress.com/2013/12/02/cleaning-up-iis-express-configuration/^0|0|6|U|0|0|0|0|0|0|0|7|2D|0|0|0|F|2C|1|0^^$0|@$1|2|3|4|5|6|7|1C|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|1D|8|@$D|1E|E|1F|F|G]]|9|@]|A|$]]|$1|H|3|I|5|J|7|1G|8|@]|9|@]|A|$K|L]]|$1|M|3|N|5|6|7|1H|8|@]|9|@]|A|$]]|$1|O|3|P|5|J|7|1I|8|@]|9|@]|A|$K|L]]|$1|Q|3|R|5|6|7|1J|8|@]|9|@]|A|$]]|$1|S|3|T|5|6|7|1K|8|@]|9|@]|A|$]]|$1|U|3|V|5|6|7|1L|8|@]|9|@]|A|$]]|$1|W|3|X|5|6|7|1M|8|@]|9|@$D|1N|E|1O|1|1P]]|A|$]]|$1|Y|3|Z|5|6|7|1Q|8|@]|9|@]|A|$]]|$1|10|3|11|5|6|7|1R|8|@]|9|@$D|1S|E|1T|1|1U]]|A|$]]|$1|12|3|-4|5|6|7|1V|8|@]|9|@]|A|$]]]|13|$14|$5|15|16|17|A|$18|19]]|1A|$5|15|16|17|A|$18|1B]]]]

I found that deleting one of the sites from the applicationhost.config file resolve this problem for me.

I used the following command from the <code>%ProgramFiles(x86)%\IISExpress</code> directory:

<pre><code>appcmd list site
</code></pre>

then

<pre><code>appcmd delete site rogueSiteName
</code></pre>

Especially there was a site name with a bracketed number suffix (e.g. "MySite(1)") that I deleted. I'm not sure yet if VS2013 just had an issue with the brackets or that two sites pointed to the same directory. Either way deleting it made VS happy again.

<h3>Background</h3>

I had been struggling with this issue for a couple of days and nothing seemed to help - not even the instructions given in the top answers here.

I had also tried moving the config folder as mentioned in <a href="http://www.iis.net/learn/extensions/introduction-to-iis-express/iis-80-express-readme" rel="nofollow">http://www.iis.net/learn/extensions/introduction-to-iis-express/iis-80-express-readme</a>. But although VS2013 recreated the directory structure and files in the new location the errors continued and running appcmd showed that it was still pointing at the old location by default.

<h3>Credits</h3>

Credit for where I found the commands to use goes to <a href="http://gyorgybalassy.wordpress.com/2013/12/02/cleaning-up-iis-express-configuration/" rel="nofollow">http://gyorgybalassy.wordpress.com/2013/12/02/cleaning-up-iis-express-configuration/</a>

blocks|key|2267272|text|对于ASP.Net核心，只需访问属性部分，然后进行修改并保存它。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2267273|示例:我修改了SSL端口|2267274|📷|atomic|offset|length|2267275|​|2267276|您将收到一个通知，说明您的launchsettings.json已被修改。接受这个，你就可以走了。|2267277|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://developer.qcloudimg.com/http-save/yehe-900000/85d96926662f83f2b4f3a787cbcb3430.png|imageAlt^0|0|0|0|1|0|0|0|0^^$0|@$1|2|3|4|5|6|7|V|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|W|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|X|8|@]|9|@$G|Y|H|Z|1|10]]|A|$]]|$1|I|3|J|5|6|7|11|8|@]|9|@]|A|$]]|$1|K|3|L|5|6|7|12|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|13|8|@]|9|@]|A|$]]]|N|$O|$5|P|Q|R|A|$S|T|U|-4]]]]

For ASP.Net Core just access your Properties section, then make a modification and save it. 

Example: I modified the SSL port
<a href="https://i.stack.imgur.com/G9jyj.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/G9jyj.png" alt="Core Example"></a>

You will get a notification that your launchsettings.json was modified. Accept that and you're good to go.

blocks|key|2470829|text|如果是ASP.NET核心项目|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2470830|只要尝试通过路径launchSettings.json更改文件iisSettings:iisExpress:applicationUrl中的iis端口即可。|offset|length|style|CODE|2470831|entityMap^0|0|8|J|V|11|0^^$0|@$1|2|3|4|5|6|7|J|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|K|8|@$D|L|E|M|F|G]|$D|N|E|O|F|G]]|9|@]|A|$]]|$1|H|3|-4|5|6|7|P|8|@]|9|@]|A|$]]]|I|$]]

<h2>If it is ASP.NET Core project</h2>

Just try to change iis port in file <code>launchSettings.json</code> by path <code>iisSettings:iisExpress:applicationUrl</code>

blocks|key|2267432|text|现在是2020年，我在Visual+2019中报告了同样的问题。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2267433|原因:使用不同的web应用程序打开多个VS实例(在我的实例中是Blazor)。|2267434|解决方案:关闭所有VS实例并重新打开要运行的解决方案。|2267435|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|H|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|I|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|J|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|G|$]]

It's 2020, I am reporting the same problem in Visual Studio 2019.

Cause: Multiple VS instances open with different web app (Blazor in my instance).

Solution: Close all VS instances and re-open the solution that you want to run.

blocks|key|1591690|text|在IIS+10快车上。确保关闭(VS)。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1591691|我第一次发现%25userprofile%25\Documents\IISExpress\config\不起作用。|offset|length|style|CODE|1591692|我最初以为IIS+Express与windows+OS中的IIS发生了冲突。|1591693|我卸载了它，但没有更改，然后通过控制面板卸载与VS+2019一起安装的IIS+10+Express。|1591694|然后，我发现这个文件保存在C:\Users\username\OneDrive\Documents\IISExpress中，与一个驱动器存储相关联，所以我建议您复制%25userprofile%25\Documents\IISExpress\config\并粘贴到windows资源管理器导航中以查找目录。|1591695|转到较高的一个目录，并/或重命名config文件夹。重新启动VS并再次运行项目。|1591696|entityMap^0|0|6|16|0|0|0|D|1B|2A|16|0|0^^$0|@$1|2|3|4|5|6|7|R|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|S|8|@$D|T|E|U|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|V|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|W|8|@]|9|@]|A|$]]|$1|L|3|M|5|6|7|X|8|@$D|Y|E|Z|F|G]|$D|10|E|11|F|G]]|9|@]|A|$]]|$1|N|3|O|5|6|7|12|8|@]|9|@]|A|$]]|$1|P|3|-4|5|6|7|13|8|@]|9|@]|A|$]]]|Q|$]]

On IIS 10 Express. Make sure that Visual Studio (VS) is turned off.
I first found out that <code>%userprofile%\Documents\IISExpress\config\</code> was not working.
I first thought IIS Express had clashed with IIS from the windows OS.
I uninstalled it, yet no changes, then I uninstalled IIS 10 Express that was installed with VS 2019 through the control panel.
Then I went ahead to discover that this file is saved at the <code>C:\Users\username\OneDrive\Documents\IISExpress</code>, associated with one drive storage, so I advise you copy <code>%userprofile%\Documents\IISExpress\config\</code> and paste in your windows explorer navigation to find directory.
go to one directory higher, and/or rename the config folder. Restart your VS and run the project again.

blocks|key|2267544|text|我的是OneDrive引起的。显然我的文档文件夹是同步到它的。我所做的是通过regedit更改documents文件夹的位置，并导航到以下路径：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2267545|HKEY_CURRENT_USER+>软件>微软>+Windows+>+CurrentVersion+>资源管理器>用户Shell文件夹|2267546|然后将Personal的值从:C：\User\my+username\OneDrive\改为C：\\my\Documents|offset|length|style|BOLD|2267547|在此之后，我重新启动了我的计算机，并能够创建一个VS项目。|2267548|entityMap^0|0|0|3|8|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|O|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|P|8|@$F|Q|G|R|H|I]]|9|@]|A|$]]|$1|J|3|K|5|6|7|S|8|@]|9|@]|A|$]]|$1|L|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|M|$]]

Mine was caused by OneDrive. Apparently my documents folder is being synced to it.
What I did is changed the location of the documents folder through regedit and navigated to this path:
HKEY_CURRENT_USER &gt; Software &gt; Microsoft &gt; Windows &gt; CurrentVersion &gt; Explorer &gt; User Shell Folders
and then changed the value of Personal
from: C:\Users\my username\OneDrive\Documents
to C:\Users\my username\Documents
After that I restart my computer and I was able to create a VS project.

blocks|key|2471083|text|我也有同样的问题，第一次，我认为Visual不允许访问%25userprofile%25\Documents\IISExpress\config，所以我使用管理员运行Visual，但它不起作用。我试着上面所有的答案，但仍然是错误！|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2471084|最后，我查看互联网，我看到我的onedrive正在停止，我启用并同步数据。重新启动计算机并工作。|BOLD|2471085|entityMap^0|R|15|0|S|G|0^^$0|@$1|2|3|4|5|6|7|K|8|@$9|L|A|M|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|N|8|@$9|O|A|P|B|H]]|D|@]|E|$]]|$1|I|3|-4|5|6|7|Q|8|@]|D|@]|E|$]]]|J|$]]

I have the same issue,
First time, i think Visual Studio not permission access to <code>%userprofile%\Documents\IISExpress\config</code> so i run Visual Studio with Administrator, but it not working.
I try all answer above but still the error!
Finally, i look internet, i see my onedrive is stopping, i enable and sync data. Restart computer and worked.

I'm running Windows Server 2008 R2 (x64) with IISExpress8 and when navigating to 

<pre><code>c:\Program Files (x86)\IIS Express&gt;iisexpress.exe
</code></pre>

it says:

Filename: redirection.config

<blockquote>
 Error: Cannot read configuration file
</blockquote>

Any ideas where to start? 
I can't find anything...

IISExpress 8 Cannot read configuration file redirection.config

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我正在使用Windows 2008 R2 (x64)运行IISExpress8，并在导航到c:\Program Files (x86)\IIS Express>iisexpress.exe上面写着：文件名: redirection.config错误:无法读取配置文件知道从哪里开始吗？我什么都找不到..。

问IISExpress 8无法读取配置文件redirection.config
EN

回答 28

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问IISExpress 8无法读取配置文件redirection.configEN

回答 28

Stack Overflow用户

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问IISExpress 8无法读取配置文件redirection.config
EN