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Windows Security Login Box Pops Up When Accessing an Office Document on a hosted Sharepoint Website

If you open an office document from our sharepoint site you are prompted to login even though you are already authenicated to the site.  We are using Windows 7 and Office 2007 and Office 2010.  You do not get the prompt when opening .pdf files so the prompt is actually coming from Office.  I understand this is by design but my users aren't going to like the fact that they have to login each time they try to open a document off our Intranet site.  I understand there are workarounds (like leaving Word or Excel open and then clicking the link to the document) but real world, it's not going to fly.  I've tried all the fixes listed on this page but nothing is working.  


The login box also pops up behind the IE window so my users aren't even going to see it unless they know about it.  The funny thing is if you hit cancel at the login box twice, the document still pops up.  Good job Microsoft, way to protect things and create a hassle for everyone.  Does anyone have any suggestions.  Right now I'm having to convert everything from an Office Document to a .pdf to avoid this mess but I can't do that with everything.
Joel Harder
Joel Harder
1 Solution
Justin SmithSr. System EngineerCommented:
Assuming you have the site URL in your "Intranet" zone in IE, try the following registry fix:

You'll need to verify that EVERY office app has the Sharepoint site in it's Trusted Locations.


This can be handled by GPO if you download the appropriate ADM files from Microsoft.
Yagya ShreeCommented:
You can try three options available from my blog site

Sharepoint & VISTA: Getting prompted for Credentials when opening office documents


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