Merge pull request #263864 from cherylmc/client-pools

update address range

Author: prmerger-automator[bot]

articles/virtual-wan/user-groups-create.md

@@ -5,7 +5,7 @@ description: Learn how to configure user groups and assign IP addresses from spe
 author: cherylmc
 ms.service: virtual-wan
 ms.topic: how-to
-ms.date: 07/31/2023
+ms.date: 01/22/2024
 ms.author: cherylmc
 
 ---
@@ -39,6 +39,8 @@ This section lists configuration requirements and limitations for user groups an
 
 * Address pools also can't overlap with virtual network address spaces, virtual hub address spaces, or on-premises addresses.
 
+* Address pools can't be smaller than /24. For example, you can't assign a range of /25 or /26.
+
 ## Step 2: Choosing authentication mechanism
 
 The following sections list available authentication mechanisms that can be used while creating user groups.
@@ -119,7 +121,7 @@ Use the following steps to create a user group.
 
    :::image type="content" source="./media/user-groups-create/select-groups.png" alt-text="Screenshot of Edit User VPN gateway page with groups selected." lightbox="./media/user-groups-create/select-groups.png":::
 
-1. For **Address Pools**, select **Configure** to open the **Specify Address Pools** page. On this page, associate new address pools with this configuration. Users who are members of groups associated to this configuration will be assigned IP addresses from the specified pools. Based on the number of **Gateway Scale Units** associated to the gateway, you may need to specify more than one address pool. Select **Add** and **Okay** to save your address pools.
+1. For **Address Pools**, select **Configure** to open the **Specify Address Pools** page. On this page, associate new address pools with this configuration. Users who are members of groups associated to this configuration will be assigned IP addresses from the specified pools. Based on the number of **Gateway Scale Units** associated to the gateway, you might need to specify more than one address pool. Address pools can't be smaller than /24. For example you can't assign a range of /25 or /26 if you want to have a smaller address pool range for the usergroups. The minimum prefix is /24. Select **Add** and **Okay** to save your address pools.
 
    :::image type="content" source="./media/user-groups-create/address-pools.png" alt-text="Screenshot of Specify Address Pools page." lightbox="./media/user-groups-create/address-pools.png":::