Hi Marty,

What Simon has mentioned below.. Use the "Windows PV" option for your template.

Thanks
Prashanth
________________________________
From: Simon Weller <[email protected]>
Sent: Wednesday, November 5, 2025 2:54 AM
To: [email protected] <[email protected]>
Subject: Re: KVM Drivers for Windows VMs

Marty,

See if there is a "Windows PV" OS option for the template.

On Tue, Nov 4, 2025, 8:52 PM Simon Weller <[email protected]> wrote:

> Marty,
>
> See if there is a "Windows PV"  OS option for the template.
>
>
> On Tue, Nov 4, 2025, 5:43 PM Marty Godsey <[email protected]>
> wrote:
>
>> Thank you, Prashanth.
>>
>> I am attempting to create a template and I am having a time getting the
>> NIC to be the Redhat VirtIO driver. It keeps wanting to use the E1000 NIC.
>> I do not have any exclamation points in the device manager. All of the
>> drivers are installed. All the other things are there such as the ballot
>> drivers, etc. It is still using the QEMU disk, but that's because I have
>> not changed it yet, since this is a template in creation.
>>
>>  I have looked through the settings in Cloudstack and do not see where I
>> can specify this. I have tried the Windows 2022 template with Server 2022
>> and the 2025 template with 2025.
>>
>> Am I missing something in my agent.properties file or something else?
>>
>>
>> *From: *Prashanth Reddy <[email protected]>
>> *Date: *Tuesday, November 4, 2025 at 5:56 PM
>> *To: *[email protected] <[email protected]>
>> *Subject: *Re: KVM Drivers for Windows VMs
>>
>> WARNING: This email originated from outside of the organization. Do not
>> click links or open attachments unless you recognize the sender and know
>> the content is safe.
>>
>>
>> Hi Marty,
>>
>> Everything you listed looks good.
>>
>> You can add qemu-guest-agent if you plan to take storage-based instance
>> snapshots
>> https://docs.cloudstack.apache.org/en/latest/adminguide/virtual_machines.html#storage-based-instance-snapshots-on-kvm
>>
>> You can skip SR-IOV driver as there is no support for SR-IOV with KVM in
>> Cloudstack AFAIK
>>
>> Thanks
>> Prashanth
>>
>>
>> ________________________________
>> From: Marty Godsey <[email protected]>
>> Sent: Tuesday, November 4, 2025 7:27 AM
>> To: [email protected] <[email protected]>
>> Subject: KVM Drivers for Windows VMs
>>
>> Hello,
>>
>> I am creating my template for KVM for Windows, and I wanted to ask about
>> the virt drivers.
>>
>> I know I need to add things like the local disk drivers, balloon driver,
>> NIC, etc. But what else should be included? Should I add the SR-IOV driver?
>> The guest-agent?
>>
>> This is my first KVM cluster. I appreciate the guidance.
>>
>> Marty
>>
>>

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