IIS 500 19 with 0x80070005 The requested page cannot be accessed because the related configuration data for the page is invalid error

Question

I want to upload my own asp net website on IIS with IIS Manager  But when I do this  I get the following error       HTTP Error 500 19 - Internal Server Error The requested page cannot be   accessed because the related configuration data for the page is   invalid        Module IIS Web Core   Notification Unknown   Handler Not yet determined   Error Code 0x80070005   Config Error Cannot read configuration file due to insufficient permissions   Config File     C  Users Yasso Documents Visual Studio 2008 WebSites WebSite5 web config   I searched many times for a solution for this error  but none of the solutions solved the error   I have a problem with my IUSR account  I can t see this account in the  group or user names  in the properties of the web config   What is the problem

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Very Easy Solution    Go to IIS Select your application from left Pane  Double click on Directory Browsing in middle Pane  Now go to right pane and under Action tab  Just click  ENABLE    That s all     People  try to understand the error   Config Error    Cannot read configuration file due to insufficient permissions

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In my case what I did was just run visual studio in administrator mode

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In my case it works just commenting  or deleting  the anonymousAuthentication property     lt security gt        lt authentication gt            lt  -- lt anonymousAuthentication enabled  true    gt -- gt        lt  authentication gt    lt  security gt

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Just to chip in  I received the same kind of error and my problem was quite simple  I was missing the  NET Core Hosting Bundle  Once I installed the tool and restarted the server  it was fine    You can find the manual to host asp net core on windows here  https   docs microsoft com en-us aspnet core host-and-deploy iis  view aspnetcore-2 2

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The message is saying that your configuration file is corrupt in some way  However it also says that it can t actually access the config file  So I d ignore the original message about corruption lack of validity as this is most likely just the effect of not being able to read the file due to a lack of authorization   The reason it cannot read the config file is because the process running your web app does not have permission to access the file directory  So you need to give the process running your web app those permissions    The access rights should be fairly straightforward  i e  at least Read  and  depending on your app  maybe Write   Above  you mention IUSR etc  not being in the properties for web config  If by that you mean that IUSR is not listed in the security tab of the file then it s a good thing  One doesn t want to give IUSR any kind of permission to web config  The role IUSR is an anonymous internet user   The file web config should only be accessible through your application   The problem is you haven t said which OS and IIS version you are using so it s difficult to advise which steps to take   I e  in IIS 7 5  the error message you re quoting is likely to occur due to your ApplicationPoolIdentity not being assigned the permissions  Your web application belongs to an application pool and so you need to give the permissions to the OS account that your web application s application pool runs under  Often this is something like NetworkService but you may have customized it to run under a purpose made account  Without more info it s difficult to help you

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Facepalm alert   You will also get this error if the path to the config file is wrong  Double-check it to make sure the  physical path is entered correctly in IIS

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I ended up solving this issue by deleting the obj folder of my web application  After rebuilding the solution  problem was gone

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I had the issue as I copied my web config file down from prod  changed everything not prod related except the Rewrite rules which were rewriting to httpS   Removed those rules and ran fine

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Pretty straight forward  IIS doesn t have access to your web config   I d start by taking the site out of your documents folder   Verify it has r w permissions then as well

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open your folder which content your project with Windows Explore  right click that folder and add rights for IUSER user

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To resolve this  make sure you installed the hosting bundle  https   dotnet microsoft com download dotnet-core 3 1

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In my case installing IIS URL Rewrite module solved the problem

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This can also happen if the site is configured to use the IIS URL Rewrite module but it is not installed

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On the IIS 7 5 error page you get click on  View more Information  at the bottom of the page and in this case it will take you to the following Microsoft link  http   support microsoft com kb 942055 The 0x80070005 Error Code seems to be permissions related and following the steps in Resolution 2  Method 2 assigning the correct accounts with permissions on relevant folders should fix it - I spent 3 days looking for a solution until I came across it  worked straight after

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Install ASP NET Core module  Download the installer using the following link  https   www microsoft com net permalink dotnetcore-current-windows-runtime-bundle-installer

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For me  I was getting latest from source control and this happened   The applicationhost config file s virtualDirectory path was different than in my machine   I restored my own copy and it works  I am using IIS express

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Ehm  I had moved my site files to a different folder  Without changing the path in the IIS website   You may all laugh now

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Try installing the  Application Development  sub component of IIS as mentioned in this SO   Click  Start button  in the search box  enter  Turn windows features on or off   in the features window  Click   Internet Information Services   Click   World Wide Web Services   Click   Application Development Features   Check  enable  the features  I checked all but CGI

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I do these steps to solve this problem in Windows Server 2012  IIS 8 5  Should work for other versions too    Go to server manager  click add roles and features In the roles section choose  Web Server Under Security sub-section choose everything  I excluded digest  IP restrictions and URL authorization as we don t use them  Under Application Development choose  NET Extensibility 4 5  ASP NET 4 5 and both ISAPI entries In the features section choose  NET 3 5   NET 4 5  ASP NET 4 5 In the web server section choose  Web Server  all   Management Tools  IIS Management Console and Management Service   Windows

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Explore the folder where your website is store and see you will get one extra folder  aspnet client  delete that folder and it will work for you   I tried this my problem is solved   If it works for you please make it as answer so that some body else will also get solution

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Check the Error HResult Code and follow this guide    quot HTTP Error 500 19 quot  error when you open an IIS 7 0 Webpage  0x80070005  This problem occurs for one of the following reasons   You are using IIS 7 0 on a computer that is running Windows Vista  Additionally  you configure the Web site to use UNC Passthrough authentication to access a remote Universal Naming Convention  UNC  share   The IIS IUSRS group does not have the appropriate permissions for the ApplicationHost config file  for the Web config file  or for the virtual application directories of IIS   Solution Method 1  Do not configure the Web site to use UNC Passthrough authentication to access the remote UNC share  Instead  specify a user account that has the appropriate permissions to access the remote UNC share   Method 2  most likely   Grant the Read permission to the IIS IUSRS group for the ApplicationHost config file or for the Web config file   So in simple words  you need to   Open Properties of the folder containing your reported Config File  such as Web config   In Security tab  Edit    and Add     IIS IUSRS group and confirm

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You need to assign permissions for IIS IUSRS on the local machine  but you don t have to assign for IUSR  in fact it will work even if you explicitly deny permissions    To assign permissions  just right click on the folder and on the security tab make sure to grant the correct permissions  and if the user is not listed then click  ADD   and enter IIS IUSRS  and make sure that under  domain  the local computer is selected  or enter in the name field YourLocalComputerName IIS IUSRS   and then you are good to go   If you want you can instead of assigning permissions to the IIS IUSRS group  you can instead assign to the app pool which should in general be  IIS APPPOOL  app pool name

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Install the  NET Core Windows Server Hosting bundle  https   docs microsoft com en-us aspnet core host-and-deploy iis  view aspnetcore-2 1  https   docs microsoft com en-us aspnet core host-and-deploy iis index tabs aspnetcore2x amp view aspnetcore-2 1

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After a server crash we had a site start giving the  HTTP 500 19 0x80070005 Error - Cannot read configuration file web config  error   Normally it would be permissions or the anonymous user configuration  but those were set fine and hadn t changed   Suspecting something got corrupted in the IIS metabase  or in the in  windir  system32 inetsrv config applicationHost config since IIS7  I was able to get it back up and running by deleting the site in IIS and re-creating it

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In my case I selected application pool with  NET Framework 2 0 and enabled 32-bit application  I had  NET Framework 2 0 application   I get a  quot An attempt was made to load a program with an incorrect format quot  error on a SQL Server replication project

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Actually  any missing module can lead to this problem  In my case  it was CORS Module  So read the web config and seek for any addon module that you specified in it and check that it is installed  or install it otherwise  Unfortunately  the error message does not help finding the problem at all

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I too had the similar issue and i fixed it by commenting some sections in web config file    The project was earlier built and deployed in  Net 2 0  After migrating to  Net 3 5  it started throwing the exception   Resolutions   If your configuration file contains   lt sectionGroup name  system web extensions gt    comment it and run as this section is already available under Machine config

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In my case  configSections must be at top in configuration   lt configuration gt   lt configSections gt       lt  configSections gt   lt othersetting gt   lt  othersetting gt

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Make sure you have the application pool set to the correct version of the framework  You ll also need to make sure your aspnet  IIS IUSRS  or IUSR users have read access to the application s directory

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For Visual Studio  VS  developers  As hinted at by Harvey Darvey  Savage  and Snives  your Application Host Configuration may be pointing to the wrong application physical path  Search for virtualDirectory within   vs config applicationhost config to change the physicalPath if it is incorrect     Make sure the physicalPath is correct

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Just change namespace  from  WebService Namespace     http   tempuri org      to    http   microsoft com webservices     I solved my problem with this solution

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Add local account IIS IUSRS to security  and grand them read execute access  that works on my case

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You can get this error if you have a synax error or issue in your web config file   For me  it was a stray ampersand in a URL that I was using in the AppSettings

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In my case  it caused by application physical path point to a non-existent folder in IIS

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I was having the same problem  here is the solution that worked for me    IIS Manager Right clicked on that Website Edit Permissions Added user  IIS IUSRS  from Security tab Gave full permissions to User  IIS IUSRS  Set the Application Pool s Identity to  ApplicationPoolIdentity

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You need to set permission for your Website folder or copy they to wwwroot folder     - If set permission  have 2 way     Right click to Your Website folder    Or right click to Your Website in IIS     select Edit permission and Add a permission  IUSR - default iis user  Good luck  -

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I was getting this error when running my project from my local machine using visual studio 2017  Not one of these solutions worked for me  At the end of the day  the fix that worked for me was the following    Right click on the project -  Properties -  Web -  Project Url In the project Url text box  I incremented my port number by one and then clicked on Create Virtual Directory button  Save your changes and then run the project again

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I got this bizarre error after specifying values in the web config at the following-path  system webServer security authentication  We prefer to control how IIS is configured using web config since IIS is a dreadful product and hard to configure using other methods   The problem was that IIS stamps its authoritay by locking parts of configuration to outside meddlers   The authentication configuration can be unlocked using the Feature Delegation applet at the IIS Server level  setting Read Write   Of course  whereas before we d have to automate the configuration of IIS auth types  now we have to automate the unlocking  Did I mention IIS is a dreadful product

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Finally  I got the solution for my problem  The ASP net account did not appear in the IIS manager  because I didn   t check its checkbox in IIS  To do this in Windows 7 follow the steps    Open control panel Click on    program    link  not uninstall programs  Click    turn windows features on off    link Locate    Internet Information services IIS    in the pop up window and expand its node Expand the    World Wide Web Service    node Expand    Application Development Features    node Check the check box of    ASP NET    Then click ok button   Now  you will see the ASP net account on the IIS manager and by default you will see the IIS account  Now  you should move your ASP net website from    my document    to another place where the IIS have permission to access it  i e  to another partition on your computer   Now  browse your website from the IIS manager and it should work    Thanks a lot for Jeff Turner for the solution

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Sometimes this message has can be missing components in your IIS environment e g  a particular framework  or an IIS feature like dynamic compression  rather than permissions to  web config     If this is the case  a solution can be to install and use the Microsoft Platform Installer and install those missing components - you might have to take a stab at what exactly is missing because the error log and message don t tell you

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This also happened to me when I had a default document of the same name  like index aspx  specified in both my web config file AND my IIS website  I ended up removing the entry from the IIS website and kept the web config entry like below    lt system webServer gt     lt defaultDocument gt       lt files gt         lt add value  index aspx    gt       lt  files gt     lt  defaultDocument gt

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The same thing happened with me   Try checking this by double clicking on the Connection strings on the right pane of IIS 7 when you select a website   It will give you an error  that there is some problem with web config file   because you have used URL rewrite rules and the respective component is not installed   Install    Microsoft URL Rewrite Module 2 0 for IIS 7    and this should fix your problem

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got this problem with mapped drives  IIS doesn t work with mapped drives  Just use the unmapped drive

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One other possibility that fixed this problem for me   IIS -  Edit Permissions -  Security Tab -  Give  Users  appropriate permissions  or IIS IUSRS  depending on your setup

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Nothing here worked for me  I found this command in another SO answer though and it solved my problem  Just start command prompt as an administrator and run this command   run- gt cmd  run  c  Windows Microsoft NET Framework v4 0 30319 aspnet regiis exe -i    Credit  User Vicxx

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I changed my web config file to provide actual path than a relative    lt httpPlatform processPath  F  Projects       instead of   lt httpPlatform processPath     approot web cmd

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None of this worked for me  but I finally have a solution which worked for me   remove this line in web config    lt compilation debug  true  targetFramework  4 5   gt    don t remove this line   lt compilation debug  true   gt

[asp.net] IIS 500.19 with 0x80070005 The requested page cannot be accessed because the related configuration data for the page is invalid error

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