VMware vCenter Server 8.0
Using a version of Microsoft Edge that is older than the version supported by the vSphere Client,
the right-click menu does not work correctly in the vSphere Client for vCenter Server 8.0 Update 2c and later.
Update the version of Microsoft Edge being used to a version supported by the vSphere Client for vCenter Server 8.0.
Supported Browser Versions for the vSphere Client