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Outlook 2010 32-bit .htm attachments from internal senders preview in Protected View

    Domanda

  • Hi - We have a 2008R2 domain with Win7 Enterprise x64 OS clients + Office Professional Plus 2010 32-bit.  We have an Exchange 2007 server in a separate forest that all clients use.  In Outlook 2010, MS Office attachments from internal senders such as .doc & .xls, and even .jpg, preview just fine in Outlook without the "trustworthy source" prompt.  However, .htm attachments from internal senders always cause the "trustworthy source" prompt to appear.  I've even set the GPO User\Policies\Admin Templates\MS Outlook 2010\Security\"Use Protected View for attachments received from internal senders" to Disabled and the problem still persists for .htm attachements from internal senders.  Does anyone know how to fix this?

    More info here:  http://social.technet.microsoft.com/Forums/en-US/winserverGP/thread/0c3f839b-61cd-4abd-bfb8-3de6587ffff0

    thanks.

    lunedì 21 novembre 2011 19:17