The shutdown option will not be available from the logon dialog box.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-1075	3.007	SV-32280r1_rule	ECSC-1	Low

Description
Displaying the shutdown button may allow individuals to shut down a system anonymously. Only authenticated users should be allowed to shut down the system. Preventing display of this button in the logon dialog box ensures that individuals who shut down the system are authorized and tracked in the systems Security event log.

STIG	Date
Win2k8 R2 Audit	2013-06-10

Details

Check Text ( None )
None

Fix Text (F-28803r1_fix)
Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> “Shutdown: Allow system to be shutdown without having to log on” to “Disabled”.