maybe I just have the wrong version or something. I used this custom image
vSphere 5.1 U3 Dec 2014 from here
but I can't find any free esxi 5.1 downloads on vmware, only this
edit:
Finally got it. Searched for hypervisor then manually edited the url to go back a version (6 -> 5). It took me to hypervisor 5.5 and the license from that page works for my esxi 5.1 install via vsphere client 5.1.
vSphere 5.1 U3 Dec 2014 from here
but I can't find any free esxi 5.1 downloads on vmware, only this
edit:
Finally got it. Searched for hypervisor then manually edited the url to go back a version (6 -> 5). It took me to hypervisor 5.5 and the license from that page works for my esxi 5.1 install via vsphere client 5.1.
Last edited: