VMware has ended general support for vSphere version 5.5 on September 19th 2018 and suggested to upgrade existing versions to v6.5. Today we will look at how to migrate existing vCenter v5.5 instanceto v6.5. I have chosen to migrate from a windows vCenter to a vCenter appliance since those are the popular/preferred installations of their respective versions. First, as usual we need to download the vCenter Server Appliance installation binary from my.vmware.com. Once you have complete your download, mount the ISO image and then navigate to the mounted CDROM. From there copy the folder named “migration assistant” into your vCenter 5.5 Server. After copy operation completed, navigate inside “migration assistant”…