How to Use Microsoft Edge With Built-in Administrator Account in Windows 10 and Windows Server 2016

By Default Microsoft Edge cannot be opened with Built-in Administrator account. You will see following error. 

In order to use Microsoft Edge with Built-in Administrator account do the following steps. 

Open Local security policy or Open the Run Prompt and Type secpol.msc

Under Local Policies -- Security Options -- navigate to “User Account Control Admin Approval Mode for the Built-in Administrator account“ 

Double click it and Enable, Apply, OK

We need following registry changes as well. Open Run Prompt and type regedit 

Navigate to: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\UIPI\

Change the Default string key to 0x00000001(1). Click ok.

Restart your Windows 10 or windows Server 2016 Machine Logon with Built-in Administrator account and open Microsoft Edge. 

You will see Edge is working :)