Unsupported Processor Configuration Detected even though identical CPU's are installed

[PatrikWixner]

Hi,

We keep getting "259 - Unsupported Processor Configuration Detected. All installed processors do not have the same model number." even though this server was working a couple of days ago. I have verified that each CPU works AND that both CPU's are of the same model and stepping.

The server was decomissioned a couple of days ago, in working condition, and recomissioned today. The only thing we did was to re-use a couple for memory modules for another server. Can someone please explain what in the world is going on?

[PatrikWixner]

No one?

I Have:
Reseated every memory module in every slot
Reseated only six memory modules in the primary slot for each memory channel
Reseated both CPU's in boths sockets several times
Run each CPU individually (to verify functionality and make and model)
Updated every firmware possible

But the error still remains
There must be anyone around here who can give me any hints to solve this?
Otherwise we need to throw every (seemlingy very unstable) HPE server from our datacenter

[Torsten.]

What server and CPU model do we talk about?

[PatrikWixner]

Hi,

It seems my attached images is gone..
Nevertheless, it's a HP ProLiant DL380p Gen8 with Dual E5-2620v2