Security Corner

Apr 24 2012   1:16AM GMT

IE Trusted Sites blocks trusted sites?

Ken Harthun Ken Harthun Profile: Ken Harthun

A client called today saying that his remote login quit working on his laptop. When he would type in the URL of the Remote Web Workspace login for Microsoft Small Business Server 2011, he would get the dreaded “Internet Explorer cannot display the web page” message. I tried every suggestion that Microsoft had come up with:

  • Delete browsing history
  • Reset IE to defaults
  • Edit two different registry keys
  • Clear SSL cache
  • Delete and re-add certificate
  • Flush DNS
  • Check HOSTS file
  • Check DNS settings
  • Disable Add-ons
  • Set Advanced settings to prompt for any active content

Nothing worked. I even upgraded to IE9 and reset it. No joy there, either. So we got another fellow on the line from the company who had recently migrated my client’s server to the cloud to see if it could be related to going virtual. He basically ran down the list with me and verified that nothing worked.

We kept going back to Trusted Sites because, naturally, we want the lowest possible security settings so everything would be allowed. Logical, right? Well, forget logic. It doesn’t apply here (and sometimes doesn’t in things Microsoft).

We set up a Webex and the other tech started looking around. We went right back to Trusted Sites and looked. Everything looked right; so the tech deleted the URLs from the Trusted Sites list and voila! It was all good. Like I said, forget logic.

Sometimes you just have to do what seems the most counter-intuitive.

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