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PDF's not updating when opened in IE 9.0

Answered PDF's not updating when opened in IE 9.0

  • Thursday, December 22, 2011 3:04 PM
     
     
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    Hello everyone,

    We have a website running in IIS7 that our agency uses as it's document repository for informational documents, mostly PDF's and Word Documents.  When a PDF is updated and posted on the site, the users do not get the newer version of the PDF when they click the link.  Instead they get the older version in their Cache.

    We can not change the file name or the URL to the file as that would require our administrative staff to make drastic changes each time they update a document.  The webpage has permanent links to the files located on a share.  The share is where the staff place the update documents in. This way we don't have to redo the HTML links each time. 

    Does anyone have an answer?  And PLEASE DO NOT mark a reply as the answer unless I or someone else post that the issue was resolved by the post.  


    Thank you,

     

     

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  • Monday, December 26, 2011 9:27 AM
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    Hi,

     

    I would like to verify if the issue occurs on all Internet Explorer 9 browsers. How about other versions or third party software browsers?  

     

    I suggest clearing the Temporary Internet Files, resetting Internet Explorer to check the result. Also, try to access the links in no add-ons mode. Click Start -> All Programs -> Accessories -> System Tools -> Internet Explorer (with no add-ons)

     

    Meanwhile, please post in IIS forum to check the issue from their point.

    http://forums.iis.net/default.aspx?GroupID=41

     

    Best Regards,

    Niki

    Niki Han

    TechNet Community Support

     
  • Tuesday, December 27, 2011 1:33 PM
     
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    Yes, this occurs on all IE9 Browsers. Firefox does not have this problem, it works fine and always downloads the correct version of the PDF.  Google Chrome does have this same condition.

    Clearing their Temp Internet files, their %temp% files and resetting IE does resolve the issue, until there is another change, and that is not an acceptable solution.  I work with a group of auditors, having them go through that process is not acceptable. 

    After I submit this reply I will post my same question on the IIS7 forum to see if they have an answer.

    Thanks Niki.

     

    Michael

     
  • Tuesday, December 27, 2011 4:10 PM
    Answerer
     
     
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    Yes, this occurs on all IE9 Browsers. Firefox does not have this problem, it works fine and always downloads the correct version of the PDF.  Google Chrome does have this same condition.


    So you should trace the different cases.   This description implies that the site is marking the document as cacheable and replying (incorrectly! Why?) Ok to a check cache request;  then Firefox is ignoring the cache checking opportunity (e.g. simply requesting the same thing each time).   IE can do nothing if the host is not using the opportunity of receiving a cache-checking request to send a more recent version of a file.   IE9 has a tracer in its Developer Tools (F12, Network) which may be sufficient for you to see this happening.  

    BTW thank you for starting your own thread.   This is clearly different than the Me too! you first claimed.   ; )

     

    FYI

    Robert Aldwinckle
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  • Wednesday, December 28, 2011 5:33 AM
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    Hi,

     

    How about creating a group policy to clear the Temporary Internet Files when the browser is closed.

     

    User Configuration\Administrative Templates\Windows Components\Internet Explorer\Internet Control Panel\Advanced Page -> Empty Temporary Internet Files folder when browser is closed

     

    How to Set Internet Explorer to "Empty Temporary Internet Files folder when browser is closed"

    http://www.sevenforums.com/tutorials/162666-internet-explorer-empty-temporary-internet-files-folder-when-closed.html

     

    Best Regards,

    Niki

    Niki Han

    TechNet Community Support

     
  • Wednesday, December 28, 2011 1:50 PM
     
     
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    Yea I have the Group Policy but having to close the browser and reopen it is a pain for our users.  The state uses a lot of web based applications, and some of our users will have SEVERAL browser windows open. 

    It's an annoyance that my users have decided they don't like, esp when the Firefox users brag that they don't have the issue...lol

    I am hoping there's a setting to set where it always down loads the file.

     
  • Wednesday, February 01, 2012 6:18 PM
     
     
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    Did you every get an answer to this?  We are having the same issue and our users can't close out of all the IE windows, as we have custem applications they are using at the same time.  It is alot of work to close out of 3 apps and log back in.  We are looking at the server side to see if we can tell the client to always reload.

     

     
  • Wednesday, February 01, 2012 9:34 PM
    Answerer
     
     
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    We are looking at the server side to see if we can tell the client to always reload. 


    Are you implying that you have seen that the file is being cached so that IE is correctly sending a cache-checking request for it and the server is incorrectly telling it to go ahead and use it?  

    Another possibility then would be that there could be an intermediate cache which would need to be cleared too.   If your server supports HTTPS using that protocol could be a way of avoiding that problem.  

    In any case IE9 has a new tool in the Developer Tools, Cache menu which might help produce a less disruptive workaround:  Clear Browser Cache for this Domain  (F12, Ctrl-d).   Of course the success of that would also depend on what else was being cached for "this Domain" and how disruptive losing that would be.    <eg>

     

    Good luck


    Robert
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