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Indexing of mail items in Exchange folders when Outlook is running in uncached mode must be turned off.


Overview

Finding ID Version Rule ID IA Controls Severity
V-15712 5.233 SV-25185r2_rule Low
Description
Indexing of encrypted items may expose sensitive data. This setting prevents mail items in a Microsoft Exchange folder from being indexed when Outlook is running in uncached mode.
STIG Date
Windows 7 Security Technical Implementation Guide 2018-02-12

Details

Check Text ( C-57983r1_chk )
If Outlook is not installed on the system, this is NA.
If Outlook is installed on the system and 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\Windows Search\

Value Name: PreventIndexingUncachedExchangeFolders

Type: REG_DWORD
Value: 1
Fix Text (F-62307r1_fix)
If Outlook is not installed on the system, this is NA.
If Outlook is installed on the system, configure the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Search -> "Enable indexing uncached Exchange folders" to "Disabled".