Hello all,
If you are looking to upgrade the ESXi version and/or build on your hosts, please confirm the ESXi version and build you are looking to upgrade to is supported by Zerto. For more information, please see the following Knowledge Base article:
https://www.zrto-dev.com/myzerto/knowledge-base/considerations-for-upgrading-the-esxi-version-of-a-host-in-a-zerto-environment/