CSS Images JS not loading in IIS

Question

My all applications were working fine but suddenly all sites under IIS are not loading css  images  scripts  It redirect to login page    If i login it works fine  e g  mysite com Account LogOn ReturnUrl  2fpublic 2fimages 2ficons 2f41 png  On my local machine it works fine without login

User · Answer

This might not answer your question but I ve been banging my head with the same symptoms with a new IIS installation   CSS  JS and images were not showing up   Was due to the  Static Content  role not being installed in IIS 7 5

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I had the same problem  an unauthenticated page would not load the CSS  JS and Images when I installed my web application in ASP Net 4 5 in IIS 8 5 on Windows Server 2012 R2    I had the static content role installed My Web Application was in the wwwroot folder of IIS and all the Windows Folder permissions were intact  the default ones  including IIS IUSRS  I added authorization for all the folders that contained the CSS  JS and images  I had the web application folder on a windows share  so I removed the sharing as suggested by  imran-rashid   Yet  nothing seemed to solved the problem  Then finally I tried setting the identity of the anonymous user to the App Pool Identity and it started working       I banged my head for a few hours and hope that this response will save the agony for my fellow developers   I would really like to know why this is working  Any thoughts

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In my case    IIS can load everything with localhost  but could not load my template files app tag from 192 168 0 123  because the  tag extension was not in the list

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You probably have Windows authentication enabled in your web config  On a local machine  your Windows credentials are automatically passed and it works  On a live site  you are treated as an anonymous user  IE setting can control this  but don t modify this unless you really know what you are doing    This causes the following    You are required to explicitly login  Resources like scripts and CSS are not served on the login page because you are not authenticated    This isn t broken  just working as intended  but to  fix  this    Change the authentication type in the web config if you don t want any login  And or add a web config in the directory s  containing CSS  images  scripts  etc  which specifies authorization rules

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The problem may be that IIS is not serving Static Content  which you can set up here    Source  http   adilmughal com blog 2011 11 iis-7-not-loading-css-and-image   Windows 10

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It was windows permission issue i move the folder thats it inherit wrong permissions   When i move to wwwroot folder and add permission to iis user it start working fine

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This is an authentication issue  In my case  it solved by below steps  1- Go to IIS manager  in the left pane  expand the server root and select your web application from Sites node  2- In the Home screen  go to IIS section and select Authentication  3- Enable Anonymous Authentication  4- Then  select Edit and set Edit Anonymous Authentication Credentials to Application pool identity

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Add this to your web config   lt location path  Images  gt       lt system web gt           lt authorization gt               lt allow users       gt           lt  authorization gt       lt  system web gt   lt  location gt

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If you re seeing 403 errors in your browser console  check your MVC Bundle Config  Bundle names should not match any existing folder names in your project    eg    bundles Add new StyleBundle    Content css           would cause issues for IIS if the folder structure   ProjectDir  Content css exists in your project  since it tries to look within the existing folder for bundle content that s not there   Instead just use something like   bundles Add new StyleBundle    Content cssbundle

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To fix this   Go to Internet Information Service  IIS   Click on your website you are trying to load image on  Under IIS section  Open the Authentication menu and Enable Windows Authentication as well

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If you tried all the above solutions and still have problems  consider using the method ResolveClientUrl   of ASP NET    A script for Example    Instead of using   lt script src    dist js app min js   gt  lt  script gt    Use the method   lt script src   lt    ResolveClientUrl    dist js app min js     gt    gt  lt  script gt    This was my solution that worked for a friend I was helping

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I had exact same problem  tried all of the suggestions but got nothing  Bugged me hours  Turned out my ISP blocked port 80 for some reasons    Advice  check your traffic  Make sure port 80 works both locally  i e  firewall  and externally

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Use this in configuration section of your web config file    lt location path  images  gt   lt system web gt     lt authorization gt       lt allow users      gt     lt  authorization gt   lt  system web gt   lt  location gt   lt location path  css  gt   lt system web gt     lt authorization gt       lt allow users      gt     lt  authorization gt   lt  system web gt   lt  location gt   lt location path  js  gt   lt system web gt     lt authorization gt       lt allow users      gt     lt  authorization gt   lt  system web gt   lt  location gt

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I added   app UseStaticFiles    this code in starup cs of Configure method  than it is fixed   And Check your permission on this folder

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Try removing the staticContent section from your web config    lt system webServer gt       lt staticContent gt                   lt  staticContent gt   lt  system webServer gt

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I had a similar error  my console looked like this     My problem was that I was running my site in a sub folder since the company was using one top domain and no sub domains  Like this   host com app1  host com app2  My code looked like this for including scripts which worked fine on localhost but not in app1 or app2    lt link rel  stylesheet  type  text css  href   Content css font-awesome min css    gt    Added a tilde sign   to src and then everything worked    lt link rel  stylesheet  type  text css  href    Content css font-awesome min css    gt    Explanation of   vs        - Site root    - Root directory of the application     will return the root of the site  http   host com        will return the root of the application  http   host com app1

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For Images use   Url Content    assets bg4 jpg     on a Style use this  style  background-image url  Url Content    assets bg4 jpg

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My hour of pain was due to defining MIME types in the web config  I needed this for the development server but local IIS hated it because it duplicated MIME types    once I removed these from the web config the problem with js  css  and images not loading went away

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I had this same problem  For me  it was due to Cache-Control header being set at the server level in IIS to no-cache  no-store  So for my application I had to add in the below to my web config    lt httpProtocol gt       lt customHeaders gt           lt remove name  Cache-Control    gt       lt  customHeaders gt   lt  httpProtocol gt

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One possible cause of this is that your application expects to run on port 443  standard SSL port  and port 443 is already in use  I have run into this several times with developers trying to run our application while Skype is running on their computers   Incredibly  Skype runs on port 443  This is a horrible design flaw in my opinion  If you see your application trying to run on 444 instead of 443  shut down Skype and the problem will go away

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This issue occurs when IIS does not render the static contents like your JS  CSS  Image files    To resolve this issue  you need to follow the below steps   GO to Control Panel   Turn Windows features on or off   Internet Information Services   World Wide Web Services   Common HTTP Features   Static Content   Ensure that static content is turned on    Bingo  And you are done  Hard-reload the page and you will be able to see all the static contents

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For me adding this in the web config resolved the problem   lt system webServer gt       lt modules runAllManagedModulesForAllRequests  true   gt         lt remove name  UrlRoutingModule   gt           lt  modules gt   lt  system webServer gt

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One suggestion I have found helpful in the past when developing sites in localhost test environment when working with a copy of production site  Make sure that you comment out the canonical tags      lt  -- lt base href  http   www example com   gt   -- gt

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In my case when none of my javascript  png  or css files were getting loaded I tried most of the answers above and none seemed to do the trick    I finally found  Request Filters   and actually had to add  js   png   css as an enabled accepted file type   Once I made this change  all files were being served properly

[c#] CSS, Images, JS not loading in IIS

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