If you try to start a VM in XenSource and you see an error that SR_BACKEND_FAILURE_46 then one way to resolve is to detach the storage and reattach while forgetting and resetting the VM’s uuid. To do so, first locate the VM in question and go to the Storage tab to find the SR. Click Properties and add _temp to the end of the name so that you can easily find it to reattach. Then click on the Detach button for the storage. From the Console for the host, run the following (assuming the VM is called JACKED): xe vdi-list name-label= “JACKED_temp” Note the VDI UUID and SR UUID, which…