Understanding User Account Control
User Account Control (UAC) is a feature that started with Windows Vista and is included with Windows Server 2008 that helps prevent unauthorized changes to your computer. If you are logged in as an administrator, UAC asks you for permission, and if you are logged in as a standard user, UAC asks you for an administrator password before performing actions that can potentially affect your computer’s operation or that change settings that
affect other users. Because the UAC is designed to make sure that unauthorized changes are not made, especially by malicious software that you may not know you are running, you need to read the warnings carefully, and then make sure the name of the action or program that’s about to start is one that you intended to start.
As a standard user, in Windows Server 2008 R2, you can do the following without requiring administrative permissions or rights:
- Install updates from Windows Update.
- Install drivers from Windows Update or those that are included with the operating system.
- View Windows settings.
- Pair Bluetooth devices with the computer.
- Reset the network adapter and perform other network diagnostic and repair tasks.
When an application requests elevation or is run as administrator, UAC will prompt for confirmation and, if consent is given, allow access as an administrator.
UAC cannot be enabled or disabled for any individual user account. Instead, you enable or disable UAC for the entire computer. If you disable UAC for user accounts, you lose the additional security protections UAC offers and put the computer at risk. However, if you perform a lot of administrative tasks on a computer, the UAC prompts can be annoying and can stop you from performing certain actions including saving to the root directory
of a drive.
Enable or Disable UAC
To enable or disable UAC for a particular user account, follow these steps:
- In Control Panel, click User Accounts.
- On the User Accounts page, click User Accounts.
- Click the Change User Account Control settings. See Figure below.
- Then slide the slider to the appropriate option level as shown in Table below.
- When prompted to restart the computer, click Restart Now or Restart Later as appropriate for the changes to take effect.
Articles in this Course
- Selecting Server Hardware
- Selecting the Software
- Performing Clean Installation of Windows Server 2008 R2
- Performing an Upgrade to Windows Server 2008 R2
- Disk Cloning and System Preparation Tool
- Performing an Unattended Installation
- Installing Windows Server 2008 R2 Using Windows Deployment Services
- Understanding Windows Licensing
- Understanding Windows Activation
- Understanding Windows Updates
- Understanding User Account Control
- Introducing System Settings
- Changing Computer Name and Domain Settings
- Configuring Remote Settings
- Changing Date and Time
- Understanding Plug and Play Devices
- Understanding Signed Drivers
- Using Devices and Printers
- Using Device Manager
- Using Computer Management Console and Server Management Console
- Managing Programs
- Managing Roles and Features
- Comparing IDE and SCSI Drives
- Introducing Redundant Arrays of Independent Disks
- Introducing Hot Spares
- Using Storage Explorer and Storage Manager
- Introducing Disk Partitioning Styles
- Comparing Types of Disks
- Introducing File Systems
- System Information
- Using the Event Viewer
- Understanding Boot.ini
- Understanding BCDEdit
- Understanding Advanced Boot Menu
- Using the System Configuration Tool
- Understanding Virtual Memory and Paging File
- Using Task Manager
- Using Performance Monitor
- Using Resource Monitor
- Introducing Fault-Tolerant Components
- Understanding Clustering
- Understanding Power
- Introducing Backup Media
- Introducing Backup Items
- Introducing Microsoft Windows Backup
- Understanding Shadow Copies of Shared Folders
- Understanding HOSTS and LMHOSTS Files
- Exploring DNS
- Introducing Domains and Trees and Forests
- Introducing Sites and Domain Controllers
- Introducing Organizational Units
- Looking at Objects
- Introducing Groups
- Introducing Group Policy
- Setting NTFS Permissions
- Looking at Effective NTFS Permissions
- Copying and Moving Files
- Looking at Folder and File Owners
- Encrypting Files with NTFS
- Network Discovery and Browsing
- Looking at Special and Administrative Shares
- Installing Printers
- Looking at Printer Properties
- Setting Printer Permissions
- Managing Print Jobs
- Configuring Internet Printing
- Managing Web Sites with IIS
- Managing FTP with IIS
- Creating Virtual Machines
- Managing Virtual Machines