New Hardware, not detecting correct number of CPU cores

Question

We have upgraded the hardware that our UTM 9.705-3 runs on from 12-year old Sun boxes to new Dell PowerEdge R440 boxes. 
 Everything works like it used to, but it is not recognising that it is now running on a 10 core CPU:

Is there any way to get Sophos to recognise that it is running a 10 core CPU? 
 
 Thanks, 
 
 James.

jlbrown · Accepted Answer

So, an update: 
 Today we did what Sophos suggested. Broke the H/A. Then re-imaged one node and applied configuration. 
 After that it worked, all 10 cores and 2-threads per core were recognised: 
 
 /home/login > lscpu
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 20
On-line CPU(s) list: 0-19
Thread(s) per core: 2
Core(s) per socket: 10 
 
 And GUI is showing 1 or 2% CPU usage for idle, instead of 25-35%. 
 So if you use H/A to sync to new hardware, for some reason it copies across the old hardware details. 
 Hope this helps someone.

New Hardware, not detecting correct number of CPU cores

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