added note

Author: spelluru

articles/lab-services/classroom-labs/how-to-manage-classroom-labs.md

@@ -119,6 +119,9 @@ To switch to another classroom lab from the current, select the drop-down list o
 
 You can also create a new lab using the **New lab** in this drop-down list. 
 
+> [!NOTE]
+> You can also use the Az.LabServices PowerShell module (preview) to manage labs. For more information, see the [Az.LabServices home page on GitHub](https://github.com/Azure/azure-devtestlab/tree/master/samples/ClassroomLabs/Modules/Library).
+
 ## Next steps
 See the following articles:
 

articles/lab-services/classroom-labs/how-to-manage-lab-accounts.md

@@ -92,6 +92,8 @@ Follow instructions from the previous section that displays lab accounts in a li
 
     ![Delete lab account - confirmation](../media/how-to-manage-lab-accounts/delete-lab-account-confirmation.png)
 
+> [!NOTE]
+> You can also use the Az.LabServices PowerShell module (preview) to manage lab accounts. For more information, see the [Az.LabServices home page on GitHub](https://github.com/Azure/azure-devtestlab/tree/master/samples/ClassroomLabs/Modules/Library).
 
 ## Next steps
 See the following article: [How to configure lab accounts](how-to-configure-lab-accounts.md).