Add step to upgrade for CORTEX Interaction Portal

Author: cortex-lp

content/en/docs/2024.11/Guides/upgrade-cortex/2024.9-to-2024.11/multiple-server-with-ha/upgrade-web-application-server/upgrade-gateway.md

@@ -21,6 +21,10 @@ This guide describes how to upgrade {{% ctx %}} Gateway from 2024.9 to 2024.11.
 
 {{< section "/preserve-installation-files.md" >}}
 
+## Upgrade {{% ctx %}} Interaction Portal
+
+{{< section "/upgrade/2024.11/upgrade-web-application-server/upgrade-cortex-interaction-portal.md" >}}
+
 ## Next Steps?
 
 1. [Try It Out][]

content/en/docs/2024.11/Guides/upgrade-cortex/2024.9-to-2024.11/single-server-without-ha/upgrade-web-application-server.md

@@ -30,6 +30,10 @@ This guide describes how to upgrade {{% ctx %}} Gateway from 2024.9 to 2024.11.
 
 {{< section "/preserve-installation-files.md" >}}
 
+## Upgrade {{% ctx %}} Interaction Portal
+
+{{< section "/upgrade/2024.11/upgrade-web-application-server/upgrade-cortex-interaction-portal.md" >}}
+
 ## Next Steps?
 
 1. [Try It Out][]

content/en/docs/2024.11/_shared/upgrade/2024.11/upgrade-web-application-server/upgrade-cortex-interaction-portal.md

@@ -0,0 +1,5 @@
+If using the {{% ctx %}} Interaction Portal, it will need to be re-installed.
+
+For further assistance, please raise a case in the [{{% ctx %}} Service Portal][].
+
+[{{% ctx %}} Service Portal]: {{< url path="Cortex.ServicePortal.MainDoc" >}}