Merge pull request #39 from SUSE-Enceladus/azure_addt_updates

Add backup/restore caveat

content/rancher-prime/azure/contents.lr

@@ -21,18 +21,22 @@ body:
 
 ##  How to install Rancher and configure Billing-adapter.
 
-A step by step walk-through for creating a new offer from the Marketplace Overview page.
+The following is a step by step walk-through for creating a new deployment of
+Rancher Prime from the Azure Marketplace page.
 
-1. Choose the plan from the dropdown list. ( "Plans + Pricing" tab more details about Software plan)
-2. Click 'Create' 
+1. Click "Rancher Prime with 24x7 Support" offer (either "EU and UK only" or
+   "non-EU and non-UK only") that corresponds to the location where your account
+   is registered.
+2. Choose the plan from the dropdown list. ( "Plans + Pricing" tab more details about Software plan)
+3. Click 'Create' 
 
 ### Basics
 
 1. Select existing subscription from the dropdown list.
 2. Select existing Resource group from the dropdown list.
 3. Select existing AKS Cluster Name from the dropdown list.
 4. Choose name for Cluster extension resource name. It can be consisted of
-   alphanumeric and dots, with the maximum lenght of 253 characters.
+   alphanumeric and dots, and the length must be between 2 and 253 characters.
 
    <img src="./basiccluster.png" alt="Existing Resource Group" style="border: 2px solid  gray;">
 
@@ -286,7 +290,13 @@ AKS cluster already has the extension. Uninstall the extension as it suggested i
 
 ## Known Issues
 
-1. Uninstalling Rancher Prime may not cleanly remove all the resources that were
+1. When migrating Rancher to a different AKS by following the steps specified in
+   [Rancher Backups and Disaster Recovery](https://ranchermanager.docs.rancher.com/pages-for-subheaders/backup-restore-and-disaster-recovery), Rancher Prime must be reinstalled via the Azure
+   marketplace on the target AKS cluster after restoring from the backup.
+   Furthermore, the restored Rancher version must not be newer than the version
+   available in the Azure marketplace.
+
+2. Uninstalling Rancher Prime may not cleanly remove all the resources that were
    created by Rancher. Users are encouraged to use
    [Rancher cleanup script](https://github.com/rancher/rancher-cleanup) to
    perform a more comprehensive cleanup if necessary. However, it is