Before you can change the IP address for an RSA Authentication Manager instance that is deployed in Amazon Web Services (AWS), you must first change the IP address on the AWS instance.
In AWS, navigate to Instances, and click the instance that requires an updated IP address.
Select Networking > Manage IP.
Click Assign New IP Address and add the new address.
After you finish
Use the Operations Console to update the Authentication Manager instance with the new IP Address. For more information, see Change the Primary Instance IPv4 Network Settings and Change the Replica Instance IPv4 Network Settings.