At yesterday NEVMUG while discussing "What can you not virtualize" one user mentioned a licensing issue with an ISV that was preventing one application from been virtualized.
The application is licensed per socket, and does need to use the processing power of more then one core. However if the application is placed on a multi vCPU VM it sees these as multiple sockets, which breaks the license.
I vaguely recall a post about a setting that would work around this issue, ie present the socket to the VM rather then the individual cores, but I've been unsuccessful in finding it.
Thanks
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Thanks allb18c, that is exactly what I was looking for.