Enable or stop using NitroTPM on an Amazon EC2 instance
You can enable an Amazon EC2 instance for NitroTPM only at launch. Once an instance is enabled for NitroTPM, you can't disable it. If you no longer need to use NitroTPM, you must configure the operating system to stop using it.
Launch an instance with NitroTPM enabled
When you launch an instance with the prerequisites, NitroTPM is automatically enabled on the instance. You can enable NitroTPM on an instance only at launch. For information about launching an instance, see Launch an Amazon EC2 instance.
Stop using NitroTPM on an instance
After launching an instance with NitroTPM enabled, you can't disable NitroTPM for the instance. However, you can configure the operating system to stop using NitroTPM by disabling the TPM 2.0 device driver on the instance by using the following tools:
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For Linux instances, use tpm-tools.
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For Windows instances, use the TPM management console (tpm.msc).
For more information about disabling the device driver, see the documentation for your operating system.
