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Anastasia Harris
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windows/security/operating-system-security/network-security/vpn/vpn-office-365-optimization.md
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@ -11,13 +11,13 @@ This article describes how to configure the recommendations in the article [VPN
The recommendations can be implemented for the built-in Windows VPN client using a *Force Tunneling with Exclusions* approach, defining IP-based exclusions even when using *force tunneling*. Certain traffic can be *split* to use the physical interface, while still forcing all other traffic via the VPN interface. Traffic addressed to defined destinations (like those listed in the Microsoft 365 optimized categories) follows a much more direct and efficient path, without the need to traverse or *hairpin* via the VPN tunnel and back out of the organization's network. For cloud-services like Microsoft 365, this makes a significant difference in performance and usability for remote users.
> [!NOTE]
> The term *force tunneling with exclusions* is sometimes confusingly called *split tunnels* by other vendors and in some online documentation. For Windows VPN, the term *split tunneling* is defined differently, as described in the article [VPN routing decisions](./vpn-routing.md#split-tunnel-configuration).
> The term *force tunneling with exclusions* is sometimes confusingly called *split tunnels* by other vendors and in some online documentation. For Windows VPN, the term *split tunneling* is defined differently, as described in the article [VPN routing decisions](vpn-routing.md#split-tunnel-configuration).
## Solution Overview
The solution is based upon the use of a VPN Configuration Service Provider Reference profile ([VPNv2 CSP](/windows/client-management/mdm/vpnv2-csp)) and the embedded [ProfileXML](/windows/client-management/mdm/vpnv2-profile-xsd). These are used to configure the VPN profile on the device. Various provisioning approaches can be used to create and deploy the VPN profile as discussed in the article [Step 6. Configure Windows 10 client Always On VPN connections](/windows-server/remote/remote-access/vpn/always-on-vpn/deploy/vpn-deploy-client-vpn-connections#create-the-profilexml-configuration-files).
Typically, these VPN profiles are distributed using a Mobile Device Management solution like Intune, as described in [VPN profile options](./vpn-profile-options.md#apply-profilexml-using-intune) and [Configure the VPN client by using Intune](/windows-server/remote/remote-access/vpn/always-on-vpn/deploy/vpn-deploy-client-vpn-connections#configure-the-vpn-client-by-using-intune).
Typically, these VPN profiles are distributed using a Mobile Device Management solution like Intune, as described in [VPN profile options](vpn-profile-options.md#apply-profilexml-using-intune) and [Configure the VPN client by using Intune](/windows-server/remote/remote-access/vpn/always-on-vpn/deploy/vpn-deploy-client-vpn-connections#configure-the-vpn-client-by-using-intune).
To enable the use of force tunneling in Windows 10 or Windows 11 VPN, the `<RoutingPolicyType>` setting is typically configured with a value of _ForceTunnel_ in your existing Profile XML (or script) by way of the following entry, under the `<NativeProfile></NativeProfile>` section:
@ -640,11 +640,11 @@ Write-Host "$Message"
```
An example of an [Intune-ready XML file](./vpn-profile-options.md#apply-profilexml-using-intune) that can be used to create a force tunnel VPN connection with Microsoft 365 exclusions is provided below, or refer to the guidance in [Create the ProfileXML configuration files](/windows-server/remote/remote-access/vpn/always-on-vpn/deploy/vpn-deploy-client-vpn-connections#create-the-profilexml-configuration-files) to create the initial XML file.
An example of an [Intune-ready XML file](vpn-profile-options.md#apply-profilexml-using-intune) that can be used to create a force tunnel VPN connection with Microsoft 365 exclusions is provided below, or refer to the guidance in [Create the ProfileXML configuration files](/windows-server/remote/remote-access/vpn/always-on-vpn/deploy/vpn-deploy-client-vpn-connections#create-the-profilexml-configuration-files) to create the initial XML file.
>[!NOTE]
>This XML is formatted for use with Intune and cannot contain any carriage returns or whitespace.
```xml
<VPNProfile><RememberCredentials>true</RememberCredentials><DnsSuffix>corp.contoso.com</DnsSuffix><AlwaysOn>true</AlwaysOn><TrustedNetworkDetection>corp.contoso.com</TrustedNetworkDetection><NativeProfile><Servers>edge1.contoso.com</Servers><RoutingPolicyType>ForceTunnel</RoutingPolicyType><NativeProtocolType>IKEv2</NativeProtocolType><Authentication><MachineMethod>Certificate</MachineMethod></Authentication></NativeProfile><Route><Address>13.107.6.152</Address><PrefixSize>31</PrefixSize><ExclusionRoute>true</ExclusionRoute></Route><Route><Address>13.107.18.10</Address><PrefixSize>31</PrefixSize><ExclusionRoute>true</ExclusionRoute></Route><Route><Address>13.107.128.0</Address><PrefixSize>22</PrefixSize><ExclusionRoute>true</ExclusionRoute></Route><Route><Address>23.103.160.0</Address><PrefixSize>20</PrefixSize><ExclusionRoute>true</ExclusionRoute></Route><Route><Address>40.96.0.0</Address><PrefixSize>13</PrefixSize><ExclusionRoute>true</ExclusionRoute></Route><Route><Address>40.104.0.0</Address><PrefixSize>15</PrefixSize><ExclusionRoute>true</ExclusionRoute></Route><Route><Address>52.96.0.0</Address><PrefixSize>14</PrefixSize><ExclusionRoute>true</ExclusionRoute></Route><Route><Address>131.253.33.215</Address><PrefixSize>32</PrefixSize><ExclusionRoute>true</ExclusionRoute></Route><Route><Address>132.245.0.0</Address><PrefixSize>16</PrefixSize><ExclusionRoute>true</ExclusionRoute></Route><Route><Address>150.171.32.0</Address><PrefixSize>22</PrefixSize><ExclusionRoute>true</ExclusionRoute></Route><Route><Address>191.234.140.0</Address><PrefixSize>22</PrefixSize><ExclusionRoute>true</ExclusionRoute></Route><Route><Address>204.79.197.215</Address><PrefixSize>32</PrefixSize><ExclusionRoute>true</ExclusionRoute></Route><Route><Address>13.107.136.0</Address><PrefixSize>22</PrefixSize><ExclusionRoute>true</ExclusionRoute></Route><Route><Address>40.108.128.0</Address><PrefixSize>17</PrefixSize><ExclusionRoute>true</ExclusionRoute></Route><Route><Address>52.104.0.0</Address><PrefixSize>14</PrefixSize><ExclusionRoute>true</ExclusionRoute></Route><Route><Address>104.146.128.0</Address><PrefixSize>17</PrefixSize><ExclusionRoute>true</ExclusionRoute></Route><Route><Address>150.171.40.0</Address><PrefixSize>22</PrefixSize><ExclusionRoute>true</ExclusionRoute></Route><Route><Address>13.107.60.1</Address><PrefixSize>32</PrefixSize><ExclusionRoute>true</ExclusionRoute></Route><Route><Address>13.107.64.0</Address><PrefixSize>18</PrefixSize><ExclusionRoute>true</ExclusionRoute></Route><Route><Address>52.112.0.0</Address><PrefixSize>14</PrefixSize><ExclusionRoute>true</ExclusionRoute></Route><Route><Address>52.120.0.0</Address><PrefixSize>14</PrefixSize><ExclusionRoute>true</ExclusionRoute></Route><Proxy><AutoConfigUrl>http://webproxy.corp.contoso.com/proxy.pac</AutoConfigUrl></Proxy></VPNProfile>
```
```