Window 10 Edge can’t be opened using the built-in administrator account

With the release of Windows 10 today, many are spinning up VMs and loading the new workstation on test boxes to take a look at the final build version.  If you are like me, one of the first things I wanted to test drive was the final release build of the Edge browswer.  Quickly however, I ran into an issue (security feature) out of the box with the built-in administrator account attempting to launch Edge.  I received the error Microsoft Edge can’t be opened using the Built-in Administrator account.  Sign in with a different account and try again.

Microsoft has went the direction of making the Edge browser a true app now and additional security is in place much like the Internet Explorer Enhanced Security that we have grown to love and hate.

In order to get around this message in your test environment and be able to use your Built-in Administrator account to navigate Edge, follow the following steps to get up and running.

• Navigate to your local security policy on your Windows 10 workstation – You can do this by typing secpol.msc at a search/run/command prompt.
• Under Local Policies/Security Options navigate to “User Account Control Admin Approval Mode for the Built-in Administrator account“
• Set the policy to Enabled
• Finally, restart Windows and then you will be able to enjoy Edge under your Built-in Administrator account.

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http://www.virtualizationhowto.com/2015/07/windows-10-edge-opened-builtin-administrator-account/