diff --git a/windows/deployment/do/TOC.yml b/windows/deployment/do/TOC.yml
index 30533f66b8..72ef0f8a71 100644
--- a/windows/deployment/do/TOC.yml
+++ b/windows/deployment/do/TOC.yml
@@ -19,7 +19,7 @@
             - name: Windows Delivery Optimization settings
               href: waas-delivery-optimization-setup.md#recommended-delivery-optimization-settings
             - name: Windows Delivery Optimization Frequently Asked Questions
-              href: ../update/waas-delivery-optimization-faq.md
+              href: ../do/waas-delivery-optimization-faq.yml
         - name: Configure Microsoft Endpoint Manager
           items:
             - name: Delivery Optimization settings in Microsoft Intune
diff --git a/windows/deployment/do/delivery-optimization-endpoints.md b/windows/deployment/do/delivery-optimization-endpoints.md
index da591eeadd..984e7fd026 100644
--- a/windows/deployment/do/delivery-optimization-endpoints.md
+++ b/windows/deployment/do/delivery-optimization-endpoints.md
@@ -33,5 +33,5 @@ This article lists the endpoints that need to be allowed through the firewall to
 | *.statics.teams.cdn.office.net |  HTTP / 80 </br> HTTPs / 443  | Teams | | Microsoft Endpoint Configuration Manager Distribution Point |
 | *.assets1.xboxlive.com, *.assets2.xboxlive.com, *.dlassets.xboxlive.com, *.dlassets2.xboxlive.com, *.d1.xboxlive.com, *.d2.xboxlive.com, *.assets.xbox.com, *.xbl-dlassets-origin.xboxlive.com, *.assets-origin.xboxlive.com, *.xvcb1.xboxlive.com, *.xvcb2.xboxlive.com, *.xvcf1.xboxlive.com, *.xvcf2.xboxlive.com |  HTTP / 80 | Xbox | | Microsoft Endpoint Configuration Manager Distribution Point |
 | *.tlu.dl.adu.microsoft.com, *.nlu.dl.adu.microsoft.com, *.dcsfe.prod.adu.microsoft.com |  HTTP / 80 | Device Update | [Complete list](/azure/iot-hub-device-update/) of endpoints for Device Update updates.  | Microsoft Endpoint Configuration Manager Distribution Point |
-| *.do.dsp.mp.microsoft.com |  HTTP / 80 </br> HTTPs / 443 | Microsoft Connected Cache -> Delivery Optimization Services communication | [Complete list](../update/waas-delivery-optimization-faq.md#what-hostnames-should-i-allow-through-my-firewall-to-support-delivery-optimization) of endpoints for Delivery Optimization only.  | Microsoft Connected Cache Managed in Azure |
+| *.do.dsp.mp.microsoft.com |  HTTP / 80 </br> HTTPs / 443 | Microsoft Connected Cache -> Delivery Optimization Services communication | [Complete list](../do/waas-delivery-optimization-faq.yml) of endpoints for Delivery Optimization only.  | Microsoft Connected Cache Managed in Azure |
 | *.azure-devices.net, *.global.azure-devices-provisioning.net, *.azurecr.io, *.blob.core.windows.net, *.mcr.microsoft.com |  AMQP / 5671 </br>  MQTT / 8883 </br> HTTPs / 443 | IoT Edge / IoT Hub communication| [Complete list](/azure/iot-hub/iot-hub-devguide-protocols) of Azure IoT Hub communication protocols and ports. [Azure IoT Guide](/azure/iot-hub/iot-hub-devguide-endpoints) to understanding Azure IoT Hub endpoints. | Microsoft Connected Cache Managed in Azure |
diff --git a/windows/deployment/do/index.yml b/windows/deployment/do/index.yml
index a2db6aedca..85d6ee2703 100644
--- a/windows/deployment/do/index.yml
+++ b/windows/deployment/do/index.yml
@@ -49,7 +49,7 @@ landingContent:
           - text: Troubleshoot Delivery Optimization
             url: waas-delivery-optimization-setup.md#troubleshooting
           - text: Delivery Optimization Frequently Asked Questions
-            url: ../update/waas-delivery-optimization-faq.md
+            url: ../do/waas-delivery-optimization-faq.yml
           - text: Submit feedback
             url: https://support.microsoft.com/windows/send-feedback-to-microsoft-with-the-feedback-hub-app-f59187f8-8739-22d6-ba93-f66612949332