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Exchange must not send customer experience reports to Microsoft.


Finding ID Version Rule ID IA Controls Severity
V-259666 EX19-MB-000064 SV-259666r942312_rule Medium
It is detrimental for applications to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often overlooked and therefore may remain unsecured. They increase the risk to the platform by providing additional attack vectors. Applications are capable of providing a wide variety of functions and services. Some of the functions and services, provided by default, may not be necessary to support essential organizational operations (e.g., key missions, functions). Examples of nonessential capabilities include, but are not limited to, advertising software or browser plug-ins not related to requirements or providing a wide array of functionality not required for every mission but that cannot be disabled. Customer Experience reports in Exchange will result in outbound traffic that may be identified by an eavesdropper. For this reason, the Customer Experience reports must not be sent to Microsoft.
Microsoft Exchange 2019 Mailbox Server Security Technical Implementation Guide 2024-01-10


Check Text ( C-63405r942310_chk )
Open the Exchange Management Shell and enter the following command:

Get-OrganizationConfig | Select-Object -Property CustomerFeedbackEnabled

If the value for "CustomerFeedbackEnabled" is not set to "False", this is a finding.
Fix Text (F-63313r942311_fix)
Open the Exchange Management Shell and enter the following command:

Set-OrganizationConfig -CustomerFeedbackEnabled $false