In my experience, that problem no longer exists. YMMV, but you should be fine here.
http://www.vmware.com/files/pdf/techpaper/Whats-New-VMware-vSphere-51-Platform-Technical-Whitepaper.pdf has info on the changes to v9.
In my experience, that problem no longer exists. YMMV, but you should be fine here.
http://www.vmware.com/files/pdf/techpaper/Whats-New-VMware-vSphere-51-Platform-Technical-Whitepaper.pdf has info on the changes to v9.