DOC-4367 added note about IPv6 fix

Author: andy-stark-redis

content/integrate/redis-data-integration/installation/install-vm.md

@@ -20,10 +20,8 @@ This guide explains how to install Redis Data Integration (RDI) on one or more V
 your source database. You can also
 [Install RDI on Kubernetes]({{< relref "/integrate/redis-data-integration/installation/install-k8s" >}}).
 
-{{< note >}}We recommend you use RDI v1.2.8 version instead of v1.2.7.
-RDI v1.2.7 had a CoreDNS issue. In some installations, the host DNS could not
-resolve hostnames for the RDI components. This meant it couldn't connect to the RDI database
-and resume the installation. This problem is fixed in v1.2.8.
+{{< note >}}We recommend you use RDI v1.4.0. The previous version, RDI v1.2.8,
+will not work on VMs where IPv6 is disabled. This problem is solved with version 1.4.0.
 {{< /note >}}
 
 ## Install RDI on VMs