The setting Domain member: Digitally encrypt or sign secure channel data (always) must be configured to Enabled.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-73633	WN16-SO-000080	SV-88297r1_rule		Medium

Description
Requests sent on the secure channel are authenticated, and sensitive information (such as passwords) is encrypted, but not all information is encrypted. If this policy is enabled, outgoing secure channel traffic will be encrypted and signed. Satisfies: SRG-OS-000423-GPOS-00187, SRG-OS-000424-GPOS-00188

STIG	Date
Windows Server 2016 Security Technical Implementation Guide	2019-07-09

Details

Check Text ( C-73715r1_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: \SYSTEM\CurrentControlSet\Services\Netlogon\Parameters\ Value Name: RequireSignOrSeal Value Type: REG_DWORD Value: 0x00000001 (1)

Fix Text (F-80083r1_fix)
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Domain member: Digitally encrypt or sign secure channel data (always)" to "Enabled".