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How to crate expired certificate for ESXi

You might sometimes run into the issue of expired ESXi certificates. This is how to solve it:

Step 1. Log in to the ESXi shell as the root user.

Step 2. Back up any existing certificates, just in case.

 mv /etc/vmware/ssl/rui.crt /etc/vmware/ssl/rui.crt.old

 mv /etc/vmware/ssl/rui.key /etc/vmware/ssl/rui.key.old

NOTE: If the rui.crt and rui.key files do not exist then you do not need to back them up; you can just go to the next step.

Step 3. Generate the new certificates:

 /sbin/generate-certificates

Step 4. Reboot the ESXi host or restart the hostd process:

 /etc/init.d/hostd/restart

That's all!

Your ArtIT Team