In Microsoft Windows 2012 Server, to access Etere Configuration in administrator mode, administrators are required to disable the UAC (User Account Control) as explained in the steps below:
1. Open "Local Security Policy" by running "Secpol. msc" in the command line:
Secpol-msc
2. Go to Local Policies -> Security Options:
Run_all_Administrators_in_admin_approval_mode
3. On the right panel, scroll down to "User Account Control: Run all administrators in admin approval mode".
4. Change the setting to "Disabled":
Change_the_setting
5. Restart the server to make changes take effect.