Update mcc-isp-support.md

support for Ubuntu 22.04

windows/deployment/do/mcc-isp-support.md

@@ -97,6 +97,15 @@ Rerun the IoT Edge Check command to validate proper connectivity:
 ```bash
 iotedge check -verbose
 ```
+<br>
+
+## Updating from Ubuntu 20.04 to 22.04
+You can now provision Microsoft Connected Cache for ISP on Ubuntu 22.04.
+If you have a cache node provisioned on Ubuntu 20.04, you will need to uninstall it first before updating to Ubuntu 22.04.
+Once you have updated the system, download the provisioning package from Azure portal and run the provisioning script on the portal.
+For more information on provisioning cache node, visit, [Create, provision and deploy cache node](mcc-isp-create-provision-deploy#provision-your-server).
+
+<br>
 
 ## Diagnose and Solve Problems
 
@@ -110,6 +119,7 @@ Within **Diagnose and solve problems**, select **Troubleshoot** under the type o
 
 :::image type="content" source="images/mcc-isp-diagnose-solve-troubleshoot.png" alt-text="A screenshot of Azure portal showing the option to select Troubleshoot to continue troubleshooting common issues related to the installation of Microsoft Connected Cache." lightbox="images/mcc-isp-diagnose-solve-troubleshoot.png":::
 
+
 ## Steps to obtain an Azure subscription ID
 
 To onboard onto Microsoft Connected Cache, you'll need an Azure subscription ID. Use the following steps to obtain your subscription ID: