Open Stack

Hi all,

While trying to create a VM instance on openstack, the boot command (nova
boot) returns the following error:
---
ERROR: The server has either erred or is incapable of performing the
requested operation. (HTTP 500)
---
everything seems to be working (nova services are starting).

I am using an Ubuntu 12.04 server (amd64) with Xen as a virtualization
technology + the Essex version of openstack

The used image was manually created (it is an ubuntu also). I can start it
via xm commands.

Any idea how to solve this problem?

Thank you for your help

Regards,
Afef
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