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You have the option to mute an ESXi host, find the host using the inventory tree on the left-side of the Findings tab.
Once you have located the ESXi host you want to Mute, hover your mouse pointer over the ESXi host name.
An eye icon will appear next to the ESXi host name. Click on the eye icon to mute the ESXi host.
The ESXi host that was just muted will no-longer appear in the affected objects list of findings that apply to that host.