News Heads Up! Error in vSphere 5.5 when backing up vmdk at 2TB or larger (with HotAdd) Luca Dell'Oca, January 7, 2014December 7, 2014 VMware has warned about a bug in VDDK 5.5: if you are running vSphere 5.5 and you backup a vmdk disk larger than 2TB using HotAdd mode, it fails silently, while it reports it completed successfully. Continue Reading