STIGQter: STIG Summary: Microsoft Exchange 2019 Mailbox Server Security Technical Implementation Guide Version: 2 Release: 3 Benchmark Date: 02 Jul 2025:

Exchange circular logging must be disabled.

DISA Rule

SV-259658r960900_rule

Vulnerability Number

V-259658

Group Title

SRG-APP-000098

Rule Version

EX19-MB-000042

Severity

CAT III

CCI(s)

• CCI-000133 - Ensure that audit records containing information that establishes the source of the event.

Weight

10

Fix Recommendation

Open the Exchange Management Shell and enter the following command:

Set-MailboxDatabase -Identity <'IdentityName'> -CircularLoggingEnabled $false

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

Check Contents

Open the Exchange Management Shell and enter the following command:

Get-MailboxDatabase | Select-Object -Property Name, Identity, CircularLoggingEnabled

If the value of "CircularLoggingEnabled" is not set to "False", this is a finding.

Vulnerability Number

V-259658

Documentable

False

Rule Version

EX19-MB-000042

Severity Override Guidance

Open the Exchange Management Shell and enter the following command:

Get-MailboxDatabase | Select-Object -Property Name, Identity, CircularLoggingEnabled

If the value of "CircularLoggingEnabled" is not set to "False", this is a finding.

Check Content Reference

M

Target Key

5580