Have you tried completely shutting the vm down (via CS management) and then starting it again? A reboot isn't the same as a full shutdown, as a shutdown destroys the vm container. ________________________________________ From: Luciano Castro Sent: Friday, September 4, 2015 1:51 PM To: users@cloudstack.apache.org Subject: Re: Canīt attach volume to windows 2008 R2 Take a look on the results [root@15s ~]# virsh list Id Name State ---------------------------------------------------- 2 i-4-146-VM running 3 r-170-VM running [root@15s ~]# virsh dumpxml i-4-146-VM i-4-146-VM a312729c-c62a-49c4-89ac-c911b617a18e Windows Server 2008 R2 (64-bit) 2097152 2097152 2 4000 /machine hvm destroy restart destroy /usr/libexec/qemu-kvm