Summary: Upgrading Dell servers equipped with QLogic QL41xxx network adapters to ESX 9, using either the Dell AddOn 9.0.0.0-A00 or the Dell-customized ESX 9 ISO, will remove the QL41xxx vmnic driver, effectively disabling network connectivity. A workaround for this issue (driver reinstallation) is provided below. ⚠️Note: this is not a supported configuration for running ESX… Read More ESX 9 Compatibility Issues with Dell Servers and QL41xxx NICs