VMware Tools Automatic Upgrade fails with the error: vix error code = 21009

Owned by JM Lopez

Last updated: Feb 21, 2023

1 min read

Problem

VMware tools automatic upgrade fails with error "vix error code = 21009".

Solution

This is a known issue affecting VMware ESXi 5.5 and 6.0 while running the automated VMware tools upgrade.

In order to workaround the issue, please chose one of the following:

Run the VMware Tools Upgrade Manually. Refer to VMware Tools are not installed automatically via vSphere Client
Follow VMware KB Article VMware Tools Automatic Upgrade fails with the error: vix error code = 21009 (2129927)

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