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Remote Desktop Services must be configured to set a time limit for disconnected sessions.


Overview

Finding ID Version Rule ID IA Controls Severity
V-3457 WN12-CC-000102 SV-52902r1_rule ECSC-1 Medium
Description
This setting controls how long a session will remain open if it is unexpectedly terminated. Such sessions use system resources and must be terminated as soon as possible.
STIG Date
Windows Server 2012 Member Server Security Technical Implementation Guide 2014-01-07

Details

Check Text ( C-47219r2_chk )
If the following registry value does not exist or is not configured as specified, this is a finding:

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \Software\Policies\Microsoft\Windows NT\Terminal Services\

Value Name: MaxDisconnectionTime

Type: REG_DWORD
Value: 0x0000ea60 (60000)
Fix Text (F-45828r1_fix)
Configure the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Remote Desktop Services -> Remote Desktop Session Host -> Session Time Limits -> "Set time limit for disconnected sessions" to "Enabled", and "End a disconnected session" to "1 minute".