remove downgrade limitation

Author: ShuheiUda

articles/expressroute/expressroute-howto-circuit-arm.md

@@ -58,7 +58,7 @@ New-AzExpressRouteCircuit -Name "ExpressRouteARMCircuit" -ResourceGroupName "Exp
 
 Make sure that you specify the correct SKU tier and SKU family:
 
-* SKU tier determines whether an ExpressRoute circuit is [Local](expressroute-faqs.md#expressroute-local), Standard, or [Premium](expressroute-faqs.md#expressroute-premium). You can specify *Local*, *Standard, or *Premium*. You can't change the SKU from *Standard/Premium* to *Local*.
+* SKU tier determines whether an ExpressRoute circuit is [Local](expressroute-faqs.md#expressroute-local), Standard, or [Premium](expressroute-faqs.md#expressroute-premium). You can specify *Local*, *Standard, or *Premium*.
 * SKU family determines the billing type. You can specify *MeteredData* for a metered data plan and *UnlimitedData* for an unlimited data plan. You can change the billing type from *MeteredData* to *UnlimitedData*, but you can't change the type from *UnlimitedData* to *MeteredData*. A *Local* circuit is always *UnlimitedData*.
 
 > [!IMPORTANT]
@@ -280,7 +280,7 @@ You can modify certain properties of an ExpressRoute circuit without impacting c
 
 You can do the following tasks with no downtime:
 
-* Enable or disable an ExpressRoute premium add-on for your ExpressRoute circuit. Changing the SKU from *Standard/Premium* to *Local* isn't supported.
+* Enable or disable an ExpressRoute premium add-on for your ExpressRoute circuit.
 * Increase the bandwidth of your ExpressRoute circuit provided there's capacity available on the port. Downgrading the bandwidth of a circuit isn't supported.
 * Change the metering plan from Metered Data to Unlimited Data. Changing the metering plan from Unlimited Data to Metered Data isn't supported.
 * You can enable and disable *Allow Classic Operations*.

articles/expressroute/expressroute-howto-circuit-portal-resource-manager.md

@@ -56,13 +56,12 @@ From a browser, navigate to the [Azure portal](https://portal.azure.com) and sig
     | Create new or import from classic | Select if you're creating a new circuit or if you're migrating a classic circuit to Azure Resource Manager. |
     | Provider | Select the internet service provider who you'll be requesting your service from. |
     | Peering Location | Select the physical location where you're peering with Microsoft. |
-    | SKU | Select the SKU for the ExpressRoute circuit. You can specify **Local** to get the local SKU, **Standard** to get the standard SKU or **Premium** for the premium add-on. You can change between Standard and Premium but not to Local once created. |
+    | SKU | Select the SKU for the ExpressRoute circuit. You can specify **Local** to get the local SKU, **Standard** to get the standard SKU or **Premium** for the premium add-on. You can change between Local, Standard and Premium. |
     | Billing model | Select the billing type for egress data charge. You can specify **Metered** for a metered data plan and **Unlimited** for an unlimited data plan. You can change the billing type from **Metered** to **Unlimited**. |
     | Allow classic operations | Enable this option to allow classic virtual networks to link to the circuit. |
 
     > [!IMPORTANT]
     > * The Peering Location indicates the [physical location](expressroute-locations.md) where you are peering with Microsoft. This is **not** linked to "Location" property, which refers to the geography where the Azure Network Resource Provider is located. While they're not related, it is a good practice to choose a Network Resource Provider geographically close to the Peering Location of the circuit.
-    > * You can't change the SKU from **Standard/Premium** to **Local**.
     > * You can't change the type from **Unlimited** to **Metered**.
 
 1. Select **Review + create** and then select **Create** to deploy the ExpressRoute circuit.
@@ -135,9 +134,6 @@ You can do the following tasks with no downtime:
 
 * Enable or disable an ExpressRoute Premium add-on for your ExpressRoute circuit.
 
-  > [!IMPORTANT]
-  > Changing the SKU from **Standard/Premium** to **Local** is not supported.
-
 * Increase the bandwidth of your ExpressRoute circuit, provided there's capacity available on the port.
 
   > [!IMPORTANT]

articles/expressroute/expressroute-howto-circuit-resource-manager-template.md

@@ -60,7 +60,7 @@ To create an ExpressRoute Circuit by deploying a template:
     Write-Host "Press [ENTER] to continue ..."
     ```
 
-   * **SKU tier** determines whether an ExpressRoute circuit is [Local](expressroute-faqs.md#expressroute-local), Standard, or [Premium](expressroute-faqs.md#expressroute-premium). You can specify *Local*, *Standard, or *Premium*. You cannot change the SKU from *Standard/Premium* to *Local*.
+   * **SKU tier** determines whether an ExpressRoute circuit is [Local](expressroute-faqs.md#expressroute-local), Standard, or [Premium](expressroute-faqs.md#expressroute-premium). You can specify *Local*, *Standard, or *Premium*.
    * **SKU family** determines the billing type. You can specify *Metereddata* for a metered data plan and *Unlimiteddata* for an unlimited data plan. You can change the billing type from *Metereddata* to *Unlimiteddata*, but you can't change the type from *Unlimiteddata* to *Metereddata*. A *Local* circuit is *Unlimiteddata* only.
    * **Peering Location** is the physical location where you are peering with Microsoft.
 

articles/expressroute/howto-circuit-cli.md

@@ -129,7 +129,7 @@ The following example shows how to create a 200-Mbps ExpressRoute circuit throug
 
 Make sure that you specify the correct SKU tier and SKU family:
 
-* SKU tier determines whether an ExpressRoute circuit is [Local](expressroute-faqs.md#expressroute-local), Standard, or [Premium](expressroute-faqs.md#expressroute-premium). You can specify *Local*, *Standard, or *Premium*. You can't change the SKU from *Standard/Premium* to *Local*.
+* SKU tier determines whether an ExpressRoute circuit is [Local](expressroute-faqs.md#expressroute-local), Standard, or [Premium](expressroute-faqs.md#expressroute-premium). You can specify *Local*, *Standard, or *Premium*.
 * SKU family determines the billing type. You can specify *MeteredData* for a metered data plan and *UnlimitedData* for an unlimited data plan. You can change the billing type from *MeteredData* to *UnlimitedData*, but you can't change the type from *UnlimitedData* to *MeteredData*. A *Local* circuit is *UnlimitedData* only.
 
 
@@ -267,7 +267,7 @@ Next, link a virtual network to your ExpressRoute circuit. Use the [Linking virt
 
 You can modify certain properties of an ExpressRoute circuit without impacting connectivity. You can make the following changes with no downtime:
 
-* You can enable or disable an ExpressRoute premium add-on for your ExpressRoute circuit. Changing the SKU from *Standard/Premium* to *Local* isn't supported.
+* You can enable or disable an ExpressRoute premium add-on for your ExpressRoute circuit.
 * You can increase the bandwidth of your ExpressRoute circuit provided there's capacity available on the port. However, downgrading the bandwidth of a circuit isn't supported.
 * You can change the metering plan from Metered Data to Unlimited Data. However, changing the metering plan from Unlimited Data to Metered Data isn't supported.
 * You can enable and disable *Allow Classic Operations*.