Merge pull request MicrosoftDocs#16313 from deosandeep/patch-6

GitHubber17 · web-flow · commit 05247cee352e · 2018-10-05T15:17:03.000-07:00
Update hybrid-azuread-join-federated-domains.md
diff --git a/articles/active-directory/devices/hybrid-azuread-join-federated-domains.md b/articles/active-directory/devices/hybrid-azuread-join-federated-domains.md
@@ -76,7 +76,9 @@ Hybrid Azure AD join requires the devices to have access to the following Micros
 - Your organization's STS (federated domains)
 - https://autologon.microsoftazuread-sso.com (If you are using or planning to use Seamless SSO)
 
-If your organization requires access to the Internet via an outbound proxy, starting with Windows 10 1709, you can configure proxy settings on your computer using a group policy object (GPO). If your computer is running anything older than Windows 10 1709, you must implement Web Proxy Auto-Discovery (WPAD) to enable Windows 10 computers to do device registration with Azure AD. 
+Beginning with Windows 10 1803, if the instantaneous Hybrid Azure AD join for federated domain like AD FS fails, we rely on Azure AD Connect to sync the computer object in Azure AD that is subsequently used to complete the device registration for Hybrid Azure AD join.
+
+If your organization requires access to the internet via an outbound proxy, starting with Windows 10 1709, you can [configure proxy settings on your computer using a group policy object (GPO)](https://blogs.technet.microsoft.com/netgeeks/2018/06/19/winhttp-proxy-settings-deployed-by-gpo/). If your computer is running a version earlier than Windows 10 1709, you must implement Web Proxy Auto-Discovery (WPAD) to enable Windows 10 computers to do device registration with Azure AD. 
 
 If your organization requires access to the Internet via an authenticated outbound proxy, you must make sure that your Windows 10 computers can successfully authenticate to the outbound proxy. Because Windows 10 computers run device registration using machine context, it is necessary to configure outbound proxy authentication using machine context. Follow up with your outbound proxy provider on the configuration requirements. 
 
