1Y0-A26 · Question #116
Scenario: An administrator manages a XenServer resource pool consisting of six XenServer hosts. A Windows XP virtual machine runs on a shared NFS storage repository. The administrator needs to…
The correct answer is A. Install XenServer Tools on the virtual machine. See the full explanation below for the reasoning.
Question
Scenario: An administrator manages a XenServer resource pool consisting of six XenServer hosts. A Windows XP virtual machine runs on a shared NFS storage repository. The administrator needs to migrate the Windows XP virtual machine to another host but CANNOT. What must the administrator do to migrate the Windows XP virtual machine?
Options
- AInstall XenServer Tools on the virtual machine.
- BSuspend and then migrate the virtual machine.
- CEnable multipathing on the virtual machine hard drive.
- DPlace the virtual machine on shared Fibre Channel or iSCSI storage repository.
How the community answered
(59 responses)- A76% (45)
- B3% (2)
- C14% (8)
- D7% (4)
Community Discussion
5
Imani T.Apr 20, 2026The correct answer is A, install XenServer Tools on the virtual machine. Live migration in XenServer requires that XenServer Tools be installed on the guest OS because the Tools provide the PV drivers that allow the hypervisor to properly manage the VM's state during a migration event. Without those drivers, XenServer simply cannot coordinate the memory transfer and device handoff between hosts, so the migrate option is blocked entirely. The shared NFS storage already satisfies the storage requirement for live migration, so D is a distractor, and B (suspend then migrate) is what you do when Tools are NOT installed and you need a workaround, but the question asks what must be done to migrate it, meaning live migration, which points straight back to A.
Dervla O.Mar 24, 2026Saw this exact scenario on my sitting and almost went with D because the shared storage angle felt like a trap they were laying, but then I remembered that live migration requires XenServer Tools to be present for the guest to coordinate the handoff, so A was the only path forward. Install the tools first, then the migrate option lights up in XenCenter, simple as that.
Jovan I.Mar 26, 2026Good catch on the tools dependency, though to be precise it is the Management Agent component within XenServer Tools that signals readiness to the host and enables the live migration handoff, not just the tools package presence in general.
Jovan I.Apr 4, 2026I was ready to mark B on this one, suspend-and-migrate has saved me more than once when a live XenMotion refused to cooperate, so it felt like the obvious escape hatch. But suspend-and-migrate still requires XenMotion to move the running memory state across to the destination host, and if XenServer Tools are not installed, the hypervisor cannot quiesce the VM or coordinate that handoff cleanly, so you end up in the same wall either way. The real blocker here is that XenMotion, whether live or suspended, depends on the PV drivers inside the guest to signal readiness, manage the memory transfer, and handle the network cutover, and without Tools installed on a Windows XP guest none of that plumbing exists. Once you install XenServer Tools and those PV drivers are active, the migrate button stops being greyed out and XenMotion can do its job, live or otherwise.
Imani T.Apr 5, 2026Solid breakdown, and worth adding that on older Windows XP guests specifically, the Tools installer also drops the I/O drivers that kill the balloon driver stall you will otherwise hit mid-migration even when the transfer itself initiates cleanly.