This blog describes how to install vCenter Server 5.1 with SSO (Single-Sign-On) 5.5
In my case, it’s not possible to upgrade to vCenter Server 5.5 because of the fact that the vendor doesn’t support a higher version (yet).
SSO 5.1 (and i will say it very nice) is not the best product VMware has ever made.
It has several bugs and is not very stable.
But VMware made a more stable version for 5.5, and i recommend everyone to use that version.
Ok, this is the procedure to install all needed vCenter components: Read more