In this post I would like to show you how you can change your vCenter Server’s FQDN. You can have different reasons for doing this. I have to do it because I had some problems when upgrading vCSA from version 6.7 to 8. My FQDN was vcsa.lab.local and I reconfigured it to vcsa.vsphere.local. For more details you can also check this link. Please note that the reconfiguration of FQDN is