i just received a used IBM x3455 server with 2 dual core opteron (2.6ghz) and 8gb of ram.
i installed vmware esxi 4.1, and on it 4 VM.
The vm are running windows server 2008 standard x64.
trought vsphere 4 client i installed vmware tools by right clicking on the wms.
the problem is that in summary tab vmware tools are not detected, it says "not installed" but in the wm they are installed and the icon is present under controll pannell.