On Amazon EC2 is it possible to reassign a keypair to an already running instance?

Question

On Amazon EC2 is it possible to reassign a keypair to an already running instance?

I am having problem with a particular keypair and am wondering if there is a way t

Answer 1

The best solution we have been able to come up with is to create an AMI from the running instance and launch a new instance from that AMI using the new key pair.

Every instance we launch is based on a custom AMI that we maintain for this and many other reasons.

I'm interested to hear if anyone has a better approach.