To prevent Windows from sending any data to Microsoft, configure diagnostic data at the Security level, turn off Microsoft Defender Antivirus diagnostic data and MSRT reporting, and turn off all of these connections Settings for Windows 10 and Windows 11 Enterprise edition You can configure these settings to control the data that is sent to Microsoft. The following sections list the components that make network connections to Microsoft services by default. We are always striving to improve our documentation and welcome your feedback. To use Microsoft Intune cloud-based device management for restricting traffic please refer to the Manage connections from Windows 10 and Windows 11 operating system components to Microsoft services using Microsoft Intune MDM Server. During update or upgrade of Windows, egress traffic may occur.To restrict a device effectively (first time or subsequently), it is recommended to apply the Restricted Traffic Limited Functionality Baseline settings package in offline mode.Egress traffic may occur prior to the re-application of the Restricted Traffic Limited Functionality Baseline settings. If a user executes the Reset this PC command (Settings -> Update & Security -> Recovery) with the Keep my files option (or the Remove Everything option) the Windows Restricted Traffic Limited Functionality Baseline settings will need to be re-applied in order to re-restrict the device.The Get Help and Give us Feedback links no longer work after the Windows Restricted Traffic Limited Functionality Baseline is applied.It is recommended that you restart a device after making configuration changes to it.Accordingly, we do not recommend disabling any of these features. Examples of settings that can lead to a less secure device configuration include: Windows Update, Automatic Root Certificates Update, and Microsoft Defender Antivirus. For security reasons, it is important to take care in deciding which settings to configure as some of them may result in a less secure device.There are many others such as DigiCert, Thawte, Google, Symantec, and VeriSign. CRL and OCSP checks are made to the issuing certificate authorities. CRL (Certificate Revocation List) and OCSP (Online Certificate Status Protocol) network traffic cannot be disabled and will still show up in network traces.The Allowed Traffic endpoints are listed here: Allowed Traffic.The downloadable Windows 10, version 1903 scripts/settings can be used on Windows 10, version 1909 devices.You should not extract this package to the windows\system32 folder because it will not apply correctly. Failure to do so may result in errors or unexpected behavior. Since some of the settings can reduce the functionality and security configuration of your device, before deploying Windows Restricted Traffic Limited Functionality Baseline make sure you choose the right settings configuration for your environment and ensure that Windows and Microsoft Defender Antivirus are fully up to date. The Windows Restricted Traffic Limited Baseline is based on Group Policy Administrative Template functionality and the package you download contains further instructions on how to deploy to devices in your organization. Microsoft provides a Windows Restricted Traffic Limited Functionality Baseline package that will allow your organization to quickly configure the settings covered in this document to restrict connections from Windows 10 and Windows 11 to Microsoft. This data helps us deliver a secure, reliable, and up-to-date experience. While it is possible to minimize network connections to Microsoft, there are many reasons why these communications are enabled by default, such as updating malware definitions and maintaining current certificate revocation lists. For example, you can configure diagnostic data to the lowest level for your edition of Windows and evaluate other connections Windows makes to Microsoft services you want to turn off using the instructions in this article. If you want to minimize connections from Windows to Microsoft services, or configure privacy settings, there are a number of settings for consideration. This article describes the network connections that Windows 10 and Windows 11 components make to Microsoft and the Windows Settings, Group Policies and registry settings available to IT Professionals to help manage the data shared with Microsoft. Windows 10 Enterprise, version 1607 and later. Manage connections from Windows 10 and Windows 11 operating system components to Microsoft services
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