How to Disable UAC completely in Windows 2012 R2 environment?
Resolution:
1. Start->Run->secpol.msc->Local policies->Security Options and check if the below policies are enabled or disabled. If they are enabled, please disable them by double clicking and selecting disable option.
a) User Account Control: Admin Approval Mode for the Built-in Administrator account.
b) User Account Control: Allow UIAccess applications to prompt without elevation without using the secure desktop.
c) User Account Control: Behavior of the elevation prompt for standard users.
d) User Account Control: Run all administrators in Admin Approval Mode.
2. Check registry value of EnableLUA in the location HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System.
Set it to zero.
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