Poweredge 1950 II Xeon E5310, Hyperthreading N/A in esxi 4.0

[drbissonnette61]

Sorry if already asked and explained.  I have a Dell Poweredge 1950 II with dual Xeon E5310 1.6 GHz processors.  With 16Gb of ram.

I have enabled the Virtualization Technology in the bios but vSphere Client says Hyperthreading N/A.  I bought the 1950 as my 1850 shows Hyperthreading active and enabled but I can not install 64 bit guest os.  I see in the matrix not to 1850 but yes to the 1950 but mine won't let me.

[Sreejesh_D]

whats the CPU server has? provide the name of it, like Intel® Xeon® Processor E7330. vSphere client will show HT n/a if CPU doesnt support Hyper Threading.

[Troy_Clavell]

Hello and Welcome to the Forums!

If the chip below is what your using, it does not support Hyperthreading

http://ark.intel.com/products/28030/Intel-Xeon-Processor-E5310-%288M-Cache-1_60-GHz-1066-MHz-FSB%29

Hyperthreading is not needed to run x64bit guests. However, VT is. You can confirm VT is enabled using the below article

http://kb.vmware.com/kb/1011712

[drbissonnette61]

I thought they were tied together for 64 bit os.  I will login and see.  I have enabled it in bios but will confirm if esxi is happy.

[drbissonnette61]

I could not console in as I am at work.  I rdp'd to a server at that location and installed 2003 R2 x64 server on that host and it worked fine.  Thanks for the clarification.

[david2009]

Just because you can install Windows 2008R2 64 bits on the box means NOTHING.  On the Dell PE 2850, I can also install Redhat Linux EL5.4 64bits OS as well but can not install gues OS 64bits with VMWare ESXi/4.1 because VT is not available on the Dell PE 2850.

Yes, this is confusing but that's just the way it is :smileyconfused:

[drbissonnette61]

Did not say I installed it on the server itself.  I created a 64 bit 2003 server vm and installed it in there.