Windows cannot be installed on this disk


I'm installing a new Lenovo Thinkserver TS-450 (70TT002UEA)
It is equipped with an AVAGO MegaRAID SAS 9340-8i controller and two Lenovo SAS 600 GB drives

The RAID1 volume has been created and now that I want to install Windows 2012 R2 Foundation
the installation asks me whether I want to install a  "Storage Server" as an upgrade or a custom setup

The only option that allows me to move forwards is the 'Custom' setup, although I don't get very far:

If it was a driver issue the setup wouldn't have recognized the RAID1 volume

There must be something else that I'm missing, but I'm not sure what

Any ideas ?

Yann ShukorOwnerAsked:
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David Johnson, CD, MVPOwnerCommented:
could be using an EFI boot and trying to install to a MBR initialized disk or the reverse MBR boot to GPT initialized disk

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