Update migration-classic-resource-manager-errors.md

#Sign-off

Author: oriwolman

articles/virtual-machines/migration-classic-resource-manager-errors.md

@@ -18,7 +18,7 @@ ms.custom: devx-track-azurepowershell
 **Applies to:** :heavy_check_mark: Linux VMs :heavy_check_mark: Windows VMs
 
 > [!IMPORTANT]
-> Today, about 90% of IaaS VMs are using [Azure Resource Manager](https://azure.microsoft.com/features/resource-manager/). As of February 28, 2020, classic VMs have been deprecated and will be fully retired on March 1, 2023. [Learn more]( https://aka.ms/classicvmretirement) about this deprecation and [how it affects you](classic-vm-deprecation.md#how-does-this-affect-me).
+> Today, about 90% of IaaS VMs are using [Azure Resource Manager](https://azure.microsoft.com/features/resource-manager/). As of February 28, 2020, classic VMs have been deprecated and will be fully retired on September 1, 2023. [Learn more]( https://aka.ms/classicvmretirement) about this deprecation and [how it affects you](classic-vm-deprecation.md#how-does-this-affect-me).
 
 This article catalogs the most common errors and mitigations during the migration of IaaS resources from Azure classic deployment model to the Azure Resource Manager stack.