Modified Formatting following PR Review

Author: Donna-Marie Smith

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

@@ -13,31 +13,48 @@ The prerequisites required to be considered before starting the upgrade.
 
 {{% alert title="Note" %}}This step is only required if the load balancer installed is the load balancer that is included with the {{% ctx %}} software.{{% /alert %}}
 
-1. On one of the Application Servers:
-    1. On the Start menu, choose `Run`.
-    1. In the open box, enter `regedit.exe`. You must have administrative credentials to run regedit.exe.
-    1. In the Registry Editor, locate the registry value `Key` which can be found at the following location `HKEY_LOCAL_MACHINE\SOFTWARE\Innovise\Cerberus`.
-    1. Copy the value of `Key` and save it to a known location.
-1. On the Load Balancer Server:
-    1. On the Start menu, choose `Run`.
-    1. In the open box, enter `regedit.exe`. You must have administrative credentials to run regedit.exe.
-    1. In the Registry Editor, navigate through the subkeys to `HKEY_LOCAL_MACHINE\SOFTWARE\Innovise\Cerberus`. If any of the subkeys do not exist create them repeating for each subsequent folder:
-        * Right click on the parent folder.
-        * Select `New`.
-        * Select `Key`.
-        * Set the name to be the subkey that you are creating e.g. `Cerberus`.
-    1. Under the `Cerberus` folder locate the registry value `Key`. If the registry value does not exist create it:
-        * Right click in the right window.
-        * Select `New`.
-        * Select `String`.
-        * Set the name to be `Key`.
-    1. Set the value of `Key` to be the value copied from the Application Server in Step 1.4:
-        * Double click on the registry value `Key` to open the Edit dialog.
-        * Set the value.
-        * Click `OK`.
+### Retrieve Existing Encryption Key
+
+On one of the Application Servers:
+
+1. On the Start menu, choose `Run`.
+1. In the open box, enter `regedit.exe`. You must have administrative credentials to run regedit.exe.
+1. In the Registry Editor, locate the registry value `Key` which can be found at the following location `HKEY_LOCAL_MACHINE\SOFTWARE\Innovise\Cerberus`.
+1. Copy the value of `Key` and save it to a known location.
+
+### Add Encryption Key to Load Balancer Server
+
+On the Load Balancer Server:
+
+1. On the Start menu, choose `Run`.
+1. In the open box, enter `regedit.exe`. You must have administrative credentials to run regedit.exe.
+1. In the Registry Editor, navigate through the subkeys to `HKEY_LOCAL_MACHINE\SOFTWARE\Innovise\Cerberus`.
+
+   If any of the subkeys do not exist create them, repeating for each subsequent subkey:
+
+    1. Right click on the parent subkey.
+    1. Select `New`.
+    1. Select `Key`.
+    1. Set the name to be the subkey that you are creating e.g. `Innovise`.
+
+1. Under the `Cerberus` subkey locate the registry value `Key`.
+
+   If the registry value does not exist create it:
+
+    * Right click in the right window.
+    * Select `New`.
+    * Select `String`.
+    * Set the name to be `Key`.
+
+1. Set the value of `Key` to be the value copied from the Application Server in Step 4 of [Retrieve Existing Encryption Key][]:
+
+    1. Double click on the registry value `Key` to open the Edit dialog.
+    1. Set the value.
+    1. Click `OK`.
 
 ## Next Steps?
 
 1. [Upgrade Application Servers and Load Balancer][]
 
+[Retrieve Existing Encryption Key]: {{< url path="Cortex.Guides.UpgradeCortex.2024.9to2024.11.MultipleServerWithHA.RetrieveAppServerEncryptionKey" >}}
 [Upgrade Application Servers and Load Balancer]: {{< url path="Cortex.Guides.UpgradeCortex.2024.9to2024.11.MultipleServerWithHA.UpgradeApplicationAndLoadBalancerServers" >}}

data/urls.toml

@@ -571,6 +571,7 @@
                     MainDoc = "/docs/guides/upgrade-cortex/2024.9-to-2024.11/multiple-server-with-ha/"
                     Prerequisites = "/docs/guides/upgrade-cortex/2024.9-to-2024.11/multiple-server-with-ha/prerequisites"
                     TryItOut = "/docs/guides/upgrade-cortex/2024.9-to-2024.11/multiple-server-with-ha/try-it-out"
+                    RetrieveAppServerEncryptionKey = "/docs/guides/upgrade-cortex/2024.9-to-2024.11/multiple-server-with-ha/prerequisites/#retrieve-existing-encryption-key"
                     UpgradeApplicationAndLoadBalancerServers = "/docs/guides/upgrade-cortex/2024.9-to-2024.11/multiple-server-with-ha/upgrade-application-and-loadbalancer-servers"
                     UpgradeDebugger = "/docs/guides/upgrade-cortex/2024.9-to-2024.11/multiple-server-with-ha/upgrade-web-application-server/upgrade-debugger"
                     UpgradeGateway = "/docs/guides/upgrade-cortex/2024.9-to-2024.11/multiple-server-with-ha/upgrade-web-application-server/upgrade-gateway"