The screenshot as attached.I have updated the system name to preprod aes
After restarting the instance, its still show as pega which is the original system name.I just follow what is stated in the guide.What if i dont change the system name?will it still works because pega is used for this system since day one.we shouldnt change it.
Is there a list of nodes displayed under the Current and New system Name values from your screen shots? This should tell you the actions that you need to take. Some nodes may require a manual update to the prconfig file to use the new system name.
For example as shown in the screen shot from this article: