In vSphere 4.x, Storage vMotion was often a command-line task or a hidden feature. vSphere Client 5.0 introduced a fully integrated GUI wizard for Storage vMotion, making it much easier for junior admins to migrate VM storage without downtime.
To fix this on the host console (DCUI):
Downloading the vSphere Client 5.0 is a common requirement for administrators managing legacy VMware environments. While newer versions of VMware use web-based interfaces, ESXi 5.0 and vCenter 5.0 rely heavily on this dedicated Windows application for full management capabilities. vsphere client 5.0 download