Vmware Tpm Encryption Recovery Key Backup Alarm Review
This guide covers what the alarm means, why it is critical for business continuity, the root causes, and step-by-step remediation procedures.
:Copy the Key (the 16 groups of six numbers). Store this key in a secure, offline location or a dedicated password manager like Azure Key Vault or 1Password. Clear the Alarm :In the vSphere Client: Navigate to the affected host. Go to the Monitor tab > Issues and Alarms . vmware tpm encryption recovery key backup alarm
: If your server's motherboard fails and you replace it without this key, the new board's TPM will not be able to decrypt the ESXi configuration. This guide covers what the alarm means, why
The alarm is a standard security warning in VMware vCenter (vSphere 7.0 Update 2 and later) triggered when an ESXi host uses a TPM 2.0 device to encrypt its configuration. This alarm serves as a critical reminder to manually export and save the recovery key, as losing access to the TPM (e.g., during a motherboard replacement) can lead to a boot failure and permanent data loss. Why This Alarm Appears Clear the Alarm :In the vSphere Client: Navigate
This is a comprehensive guide regarding the .
If restarting services does not work, you can attempt to force the backup synchronization via the CLI.
: Your ESXi host has a physical TPM 2.0 chip installed and enabled.