Hi, Do we need HT enabled on CentOS release 5.5 (Final) and Kernel Version :- 2.6.18-194.el5 Please help me understand the pros and cons of having HT enabled or disabled on the Server Dell R 710. cat /proc/cpuinfo -> http://fpaste.org/K2dT/ Do let me know if anyone needs more information. Regards, Kaushal