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Home/ Questions/Q 584615
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Editorial Team
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Editorial Team
Asked: May 13, 20262026-05-13T14:55:00+00:00 2026-05-13T14:55:00+00:00

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

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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 to fix it by reassign it.

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  1. Editorial Team
    Editorial Team
    2026-05-13T14:55:00+00:00Added an answer on May 13, 2026 at 2:55 pm

    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.

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