STIGQter: STIG Summary: Microsoft Exchange 2013 Mailbox Server Security Technical Implementation Guide Version: 2 Release: 1 Benchmark Date: 22 Jan 2021:

Exchange Public Folder stores must be retained until backups are complete.

DISA Rule

SV-207291r615936_rule

Vulnerability Number

V-207291

Group Title

SRG-APP-000231

Rule Version

EX13-MB-000125

Severity

CAT II

CCI(s)

• CCI-001199 - The information system protects the confidentiality and/or integrity of organization-defined information at rest.

Weight

10

Fix Recommendation

Open the Exchange Management Shell and enter the following command:

Set-PublicFolderDatabase -Identity <'IdentityName'> -RetainDeletedItemsUntilBackup $true

Note: The <IdentityName> value must be in quotes.

Check Contents

If public folders are not used, this check is not applicable.

Open the Exchange Management Shell and enter the following command:

Get-PublicFolderDatabase | Select Name, Identity, RetainDeletedItemsUntilBackup

If the value of RetainDeletedItemsUntilBackup is not set to True, this is a finding.

Vulnerability Number

V-207291

Documentable

False

Rule Version

EX13-MB-000125

Severity Override Guidance

If public folders are not used, this check is not applicable.

Open the Exchange Management Shell and enter the following command:

Get-PublicFolderDatabase | Select Name, Identity, RetainDeletedItemsUntilBackup

If the value of RetainDeletedItemsUntilBackup is not set to True, this is a finding.

Check Content Reference

M

Target Key

2923

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