Merge pull request #197428 from rwike77/patch-6

ADAL deprecation

Author: PRMerger4

articles/data-factory/v1/data-factory-create-data-factories-programmatically.md

@@ -101,6 +101,9 @@ In the walkthrough, you create a data factory with a pipeline that contains a co
 
 The Copy Activity performs the data movement in Azure Data Factory. The activity is powered by a globally available service that can copy data between various data stores in a secure, reliable, and scalable way. See [Data Movement Activities](data-factory-data-movement-activities.md) article for details about the Copy Activity.
 
+> [!IMPORTANT]
+> The [Microsoft.IdentityModel.Clients.ActiveDirectory](https://www.nuget.org/packages/Microsoft.IdentityModel.Clients.ActiveDirectory) NuGet package and Azure AD Authentication Library (ADAL) have been deprecated. No new features have been added since June 30, 2020.   We strongly encourage you to upgrade, see the [migration guide](/azure/active-directory/develop/msal-migration) for more details.
+
 1. Using Visual Studio 2012/2013/2015, create a C# .NET console application.
    1. Launch **Visual Studio** 2012/2013/2015.
    2. Click **File**, point to **New**, and click **Project**.