I assume they changed the auto create mac address range between versions. Cant remeber seeing that in the release notes though.
You could edit the virtual machine config .vmx file and put the right MAC in there.
Andy, VMware Certified Professional (VCP), http://www.vmadmin.co.uk/
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Sure I could (same as done in the times when VC did not have any facilty to do it)
But that is really silly, not even full number version change...
Was it manual before? If not, that is your problem. 00:50:56:00:00:00 to 00:50:56:3F:FF:FF is the allowed range of manual macs set thru the vmware config file or VIC. Your address is outside this range, which is normal for an automatically assigned address.
You have 2 choices. Either move to a manual address in the above range or simply use the hardware address setting of the driver in windows or ifconfig in linux to set the desired MAC inside the VM.