The CPUs in this multiprocessor system arenot all the same revision level. To use all processors the operating system restricts itself to the features of the least capable processor in the system. Should problems occur with this system, contact the CPU manufacturer to see if this mix of processorsis supported.

hi mduraphe,thank you for posting in windows forumsplease check the below links and let us know if it helped you, usually the above message occurs if some of the cpu featuers are mismatching http://support.microsoft.com/default.aspx?scid=kb;en-us;M227438http://support.microsoft.com/default.aspx?scid=kb;en-us;234556sainath !analyze