STIGQter: STIG Summary: Microsoft Exchange 2016 Mailbox Server Security Technical Implementation Guide Version: 2 Release: 3 Benchmark Date: 23 Apr 2021:

Exchange must have authenticated access set to Integrated Windows Authentication only.

DISA Rule

SV-228418r612748_rule

Vulnerability Number

V-228418

Group Title

SRG-APP-000033

Rule Version

EX16-MB-002930

Severity

CAT II

CCI(s)

• CCI-000213 - The information system enforces approved authorizations for logical access to information and system resources in accordance with applicable access control policies.

Weight

10

Fix Recommendation

Open the Exchange Management Shell and enter the following command:

Set-OwaVirtualDirectory -Identity '<IdentityName>' -WindowsAuthentication $true

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

Example for the Identity Name: <ServerName>\owa (Default website)

Check Contents

Open the Exchange Management Shell and enter the following command:

Get-OwaVirtualDirectory | Select ServerName, Name, Identity,*Authentication

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

Vulnerability Number

V-228418

Documentable

False

Rule Version

EX16-MB-002930

Severity Override Guidance

Open the Exchange Management Shell and enter the following command:

Get-OwaVirtualDirectory | Select ServerName, Name, Identity,*Authentication

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

Check Content Reference

M

Target Key

4223

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