Hi Guys,
I am facing the task to get 6 Standalone, unpatched, ESX 3.0.3 Hosts to ESXi 5.0 (target will be a Cluster, VCenter Server) without spending money on new Hardware 
No need to mention that the Guests that are running on these Servers should be left as they are (mostly WIndows 2003 SP2 Servers, however, a downtime would be no problem.
Second Challange is that I can not create new Datastores as the SAN Box is already at the Limits 
Is there a supported Migration or Upgrade Path to accomplish this task. Any suggestion would be very much welcome.
Thanks Guys
Cheers
Sigmund