howto-add-app-roles-in-azure-ad-apps.md: Fix broken link

Author: fowl2

articles/active-directory/develop/howto-add-app-roles-in-azure-ad-apps.md

@@ -128,7 +128,7 @@ Once you've added app roles in your application, you can assign users and groups
 
 - [Authorization in a web app using Azure AD application roles & role claims (Sample)](https://github.com/Azure-Samples/active-directory-dotnet-webapp-roleclaims)
 - [Using Security Groups and Application Roles in your apps (Video)](https://www.youtube.com/watch?v=V8VUPixLSiM)
-- [Azure Active Directory, now with Group Claims and Application Roles](https://cloudblogs.microsoft.com/enterprisemobility/2014/12/18/azure-active-directory-now-with-group-claims-and-application-roles)
+- [Azure Active Directory, now with Group Claims and Application Roles](https://techcommunity.microsoft.com/t5/Azure-Active-Directory-Identity/Azure-Active-Directory-now-with-Group-Claims-and-Application/ba-p/243862)
 - [Azure Active Directory app manifest](https://docs.microsoft.com/azure/active-directory/develop/reference-app-manifest)
 - [AAD Access tokens](access-tokens.md)
 - [AAD `id_tokens`](id-tokens.md)