Merge pull request #307303 from MekaylaMoore/patch-66

Update gateway migration documentation for ErGwScale

Author: prmerger-automator[bot]

articles/expressroute/gateway-migration.md

@@ -42,8 +42,12 @@ For enhanced reliability and high availability, we recommend migrating to an Az-
 ### Migrate to ErGwScale (Scalable Gateway)
 The ExpressRoute Scalable Gateway (ErGwScale) is a new virtual network gateway SKU that provides flexible, high-bandwidth connectivity for your Azure virtual networks.
 
-You can configure the gateway's performance by setting the minimum and maximum scale units between **1** and **40**:
-- To configure a fixed-size gateway, set both the **minimum** and **maximum** scale units to the same value (for example, set both to **1**).
+> [!IMPORTANT]
+>The minimum scale unit must be 1, when the maximum scale unit is 1.
+
+
+You can configure the gateway's scaling, as per requirements, by setting the minimum and maximum scale units:
+- To configure a fixed-size gateway, set both the **minimum** and **maximum** scale units to the same value (for example, set both to **1**, set both to **20**, set both to **40**).
 - To enable autoscaling, set the **minimum scale unit** to **2** or higher, and specify the desired **maximum scale unit** (up to 40).
 
 This allows the gateway to automatically scale based on your workload requirements.
@@ -52,7 +56,9 @@ For more information, see [About Scalable Gateway](scalable-gateway.md).
 
 | Scenario              | Minimum Scale Unit | Maximum Scale Unit | Autoscaling Enabled? |
 |-----------------------|-------------------|-------------------|---------------------|
-| Fixed size            | 1                 | 1                 | No                  |
+| Fixed scaling         | 1                 | 1                 | No                  |
+| Fixed scaling         | 20                | 20                | No                  |  
+| Fixed scaling         | 40                | 40                | No                  |  
 | Autoscaling           | 2 or higher       | Up to 40          | Yes                 |
 
 ## Steps to migrate to a new gateway