Hello,
WoW is only available on selected WAE and WAVE appliances. Virtual blades are supported on all WAVE devices and on certain models of WAE devices. On unsupported WAE devices, the virtual blade configuration screens are nonfunctional.
More details can be found here:
http://www.cisco.com/en/US/docs/app_ntwk_services/waas/waas/v441/configuration/guide/virtual.html
Hope this helps.
Regards.
PS: If this answers your question, please mark this as Answered.