Merge pull request #100487 from v-davit/patch-2

Added 'Check update status' section

Author: PRMerger14

articles/virtual-machines/maintenance-control-powershell.md

@@ -33,7 +33,7 @@ With maintenance control, you can:
 ## Limitations
 
 - VMs must be on a [dedicated host](./linux/dedicated-hosts.md), or be created using an [isolated VM size](./linux/isolation.md).
-- After 35 days, an update will automatically be applied and availability constraints will not be respected.
+- After 35 days, an update will automatically be applied.
 - User must have **Resource Owner** access.
 
 
@@ -106,7 +106,7 @@ New-AzConfigurationAssignment `
    -MaintenanceConfigurationId $config.Id
 ```
 
-### Dedicate host
+### Dedicated host
 
 To apply a configuration to a dedicated host, you also need to include `-ResourceType hosts`, `-ResourceParentName` with the name of the host group, and `-ResourceParentType hostGroups`. 
 
@@ -126,7 +126,9 @@ New-AzConfigurationAssignment `
 
 ## Check for pending updates
 
-Use [Get-AzMaintenanceUpdate](https://docs.microsoft.com/powershell/module/az.maintenance/get-azmaintenanceupdate) to see if there are pending updates. Use `-subscription` to specify the Azure subscription of the VM if it is different from the one that you are logged into. 
+Use [Get-AzMaintenanceUpdate](https://docs.microsoft.com/powershell/module/az.maintenance/get-azmaintenanceupdate) to see if there are pending updates. Use `-subscription` to specify the Azure subscription of the VM if it is different from the one that you are logged into.
+
+If there are no updates, the command will return an error message: `Resource not found...StatusCode: 404`.
 
 ### Isolated VM
 
@@ -184,6 +186,39 @@ New-AzApplyUpdate `
    -ProviderName Microsoft.Compute
 ```
 
+## Check update status
+Use [Get-AzApplyUpdate](https://docs.microsoft.com/powershell/module/az.maintenance/get-azapplyupdate) to check on the status of an update. The commands shown below show the status of the latest update by using `default` for the `-ApplyUpdateName` parameter. You can substitute the name of the update (returned by the [New-AzApplyUpdate](https://docs.microsoft.com/powershell/module/az.maintenance/new-azapplyupdate) command) to get the status of a specific update.
+
+If there are no updates to show, the command will return an error message: `Resource not found...StatusCode: 404`.
+
+### Isolated VM
+
+Check for updates to a specific virtual machine.
+
+```azurepowershell-interactive
+Get-AzApplyUpdate `
+   -ResourceGroupName myResourceGroup `
+   -ResourceName myVM `
+   -ResourceType VirtualMachines `
+   -ProviderName Microsoft.Compute `
+   -ApplyUpdateName default
+```
+
+### Dedicated host
+
+Check for updates to a dedicated host.
+
+```azurepowershell-interactive
+Get-AzApplyUpdate `
+   -ResourceGroupName myResourceGroup `
+   -ResourceName myHost `
+   -ResourceType hosts `
+   -ResourceParentName myHostGroup `
+   -ResourceParentType hostGroups `
+   -ProviderName Microsoft.Compute `
+   -ApplyUpdateName default
+```
+
 ## Remove a maintenance configuration
 
 Use [Remove-AzMaintenanceConfiguration](https://docs.microsoft.com/powershell/module/az.maintenance/remove-azmaintenanceconfiguration) to delete a maintenance configuration.