Support statement for ApplicationID context

Added support statement for ApplicationID context

Author: Batre-MSFT

exchange/exchange-ps/exchange/New-UnifiedGroup.md

@@ -16,7 +16,12 @@ This cmdlet is available only in the cloud-based service.
 
 Use the New-UnifiedGroup cmdlet to create Microsoft 365 Groups in your cloud-based organization. To add members, owners, and subscribers to Microsoft 365 Groups, use the Add-UnifiedGroupLinks cmdlet.
 
-**Note**: We recommend that you use the Exchange Online PowerShell V2 module to connect to Exchange Online PowerShell. For instructions, see [Connect to Exchange Online PowerShell](https://docs.microsoft.com/powershell/exchange/connect-to-exchange-online-powershell).
+**Note**: 
+We recommend that you use the Exchange Online PowerShell V2 module to connect to Exchange Online PowerShell. For instructions, see [Connect to Exchange Online PowerShell](https://docs.microsoft.com/powershell/exchange/connect-to-exchange-online-powershell).
+
+**Note**: 
+The New-UnifiedGroup cmdlet is not supported to be used under ApplicationID context, instead of the cmdlet, we recommend using related Graph API to create new Microsoft 365 group.
+
 
 For information about the parameter sets in the Syntax section below, see [Exchange cmdlet syntax](https://docs.microsoft.com/powershell/exchange/exchange-cmdlet-syntax).