[There's a reason that Yoda is the unofficial mascot of SBS.  Size indeed matters not.] The bios flip did the trick - THE OFFICIAL BLOG OF THE SBS "DIVA"
Sun, Dec 14 2008 20:55 bradley

The bios flip did the trick

http://msmvps.com/blogs/bradley/archive/2008/12/14/attempting-to-load-a-64-bit-application.aspx

And to answer that question, yes, virtualization was disabled in the bios and thus even the vmware workstation wouldn't support a 64bit guest loaded up on a 64bit host.

Rule of thumb... always check the bios first before starting a virtualization project.

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