| Desktop virtualisation runs the Windows desktop on a server in a datacentre instead of on the computer in front of you, and streams the screen to whatever device you sign in from. The desktop, its programs and its files stay central, so the same desktop appears on a laptop, a tablet or an old office PC. |
A packing crew in a Christchurch warehouse runs three shifts across two shared computers. Every shift starts the same way. Someone signs in, waits, finds the last person’s tabs and a half finished spreadsheet still open, and discovers the label printer has dropped off again.
Ten minutes gone before any work starts. Across three shifts, five days a week and most of a year, that is a fortnight of paid time spent watching a computer think.
Both machines are four years old, and the business has quoted replacing them twice and deferred it twice, because two new PCs fix the speed and none of the rest.
The real problem is that the desktop those staff need lives on the machines in front of them. It is only ever as reliable as the oldest computer in the building, and it leaves when the hardware does.
Desktop virtualisation moves the desktop off the machine. What follows is what it actually is, when it earns its cost, how Windows 365 compares with Azure Virtual Desktop and traditional VDI, and what it does not fix.
What Is Desktop Virtualisation?
Desktop virtualisation hosts a full Windows desktop in a datacentre and delivers it to whatever device the user signs in from. The programs, the documents and the settings all sit centrally. The machine in front of the person becomes a screen, a keyboard and a connection.
You will also see it sold as desktop as a service, or DaaS, which is the same thing bought as a monthly subscription rather than built in house.
Sign in from a laptop at the office and you get your desktop. Sign in from a tablet at home two hours later and you get the same desktop, with the same windows open where you left them.
The desktop no longer belongs to a particular computer. It belongs to the person, and it turns up wherever they sign in.
Where does the desktop actually run?
On a virtual machine in a Microsoft datacentre, or on a host server in your own server room, depending on which model you buy. Either way each person gets a complete Windows desktop of their own rather than sharing one machine with everyone else.
What travels over the connection is the screen image going out and keyboard and mouse input coming back. The files themselves never leave the datacentre, and for some businesses that single fact is the whole reason to do it.
Is desktop virtualisation the same as remote desktop?
It is a more developed version of the same idea. Remote desktop connects a person to one specific machine, usually a PC sitting under a desk in the office, and the connection dies with that machine. Desktop virtualisation creates desktops centrally, so one can be built, resized, rebuilt or removed without anyone touching hardware.
The practical difference shows up when something breaks. A remote desktop into a failed office PC is gone until someone drives in, whereas a cloud desktop is rebuilt from a template in minutes.
How is desktop virtualisation different from server virtualisation?
They are the same technique applied at opposite ends of the network. Server virtualisation is about the machines in the server room. Desktop virtualisation is about the machine on the desk.
What does the user notice?
Very little, and that is the test of a good deployment. Windows looks like Windows, Outlook looks like Outlook, and printing works.
What staff do notice is that the machine is never slow at the start of a shift, nothing is ever left open from the last person, and signing in from a different device changes nothing at all.
When Does Desktop Virtualisation Earn Its Cost?
Desktop virtualisation earns its cost when the number of people who need a desktop does not match the number of computers it makes sense to own. If every one of your staff has an assigned laptop they use all day, the maths rarely works. Where desktops are shared, temporary, or holding data that must not travel, it works quickly. Five situations cover most of it:
- Shift or seasonal staff, where headcount rises and falls and the computers do not
- Contractors working on their own devices, who need your systems but not a company laptop
- Data that must not sit on a laptop, because the laptop leaves the building
- Branch or remote sites with no server and nobody local to fix one
- Fast starts and clean leavers, where a desktop has to appear and disappear on a date
Shift work and seasonal peaks
A packhouse that triples its headcount for ten weeks cannot buy computers for the peak and store them the other forty two. A cloud desktop is created on the Monday it is needed and removed when the season ends, and you pay for it only in the months it exists.
Shared machines get the same benefit in reverse. Three people using one screen across three shifts get three separate desktops on it, so nobody inherits anybody else’s mess.
Contractors and staff using their own devices
A contractor who needs your line of business system usually leaves you two poor options. Either a company laptop nobody budgeted for, or an account on a machine you cannot see, patch or wipe.
A hosted desktop is a third option, and the cleanest answer to BYOD that most businesses find. They sign in from their own device, work inside a controlled Windows 11 desktop, and when the engagement ends the desktop is deleted without anything of yours ever having been stored on their hardware.
Data that must never sit on a laptop
This is the strongest single argument, and the reason regulated businesses adopted it first. If client files, patient records or financial data only ever exist in the datacentre, a laptop left in a taxi is a hardware loss rather than a privacy breach.
It also shortens two awkward conversations. Insurers and clients running security questionnaires both ask where your data sits, and central hosting answers in one sentence.
Branch sites and working from anywhere
A three person branch office with its own local server has a single point of failure and nobody nearby to look at it. Move the desktops centrally and the branch needs a connection, a screen and a keyboard.
Desktop virtualisation is one delivery model inside the wider question of remote work IT, which covers the devices, the access and the support around them. The cloud desktop answers the narrow part of it: where the desktop runs.
Buying time on hardware you already own
A four year old PC that struggles with modern software is usually a perfectly good terminal, because the work happens elsewhere. Used this way it becomes a thin client, and that can push a fleet refresh out a year or two.
It sits neatly alongside device as a service, where hardware is supplied and refreshed on a subscription rather than bought outright.
Windows 365, Azure Virtual Desktop, or Traditional VDI?
There are three ways to buy desktop virtualisation, and the right one is decided by how predictable your usage is and how much control you need, and all three deliver a Windows desktop from somewhere other than the desk. Microsoft publishes the current specifications and pricing tiers for both of its options in its Windows 365 documentation.
| Decision point | Windows 365 Cloud PC | Azure Virtual Desktop | Traditional VDI |
|---|---|---|---|
| Priced as | Fixed monthly price per user | Consumption based, you pay for what runs | Capital purchase plus licences |
| Best for | Predictable full time users and small teams | Variable usage, shift patterns, larger scale | Data that must stay on your premises |
| Who runs the platform | Microsoft hosts it, you manage users | Microsoft hosts it, you size and tune it | You own and maintain the hosts |
| Effort to start | Lowest, licence and go | Moderate, needs design | Highest, a project |
Which one suits a small business?
For most businesses under about fifty staff the fixed price per user option is the sensible starting point, because the cost is knowable before you commit and there is nothing to design. You buy a desktop of a given size for a named person, and that is the bill.
The consumption based option becomes the better answer once usage varies a lot, since desktops switched off overnight or out of season stop costing anything. That saving only appears if someone is managing the sizing, which is the point where it stops being a self service purchase.
When is keeping it on your own premises still right?
When the data genuinely cannot leave the building, or when a line of business application will only behave on a server you control. On premises virtual desktop infrastructure, whether built on Citrix, VMware Horizon or the Microsoft stack, still answers those cases, and it carries the full cost of the hosts, the licences and the person who looks after them.
Fewer businesses fall into that category than used to.
Where does the licensing sit?
Alongside the rest of your Microsoft agreement in most cases, which is why businesses already standardised on Microsoft 365 can reach cloud desktops without adding a new vendor. The desktop licence and the application licences are separate things, so a per user cloud desktop still needs its Office and application entitlements.
Get this checked before you budget, because licensing is where cloud desktop projects surprise people.
What Does Desktop Virtualisation Cost?
Cloud desktops are priced per user per month, and the figure moves with how much power each desktop gets. As a rough anchor, a light desktop for a shift worker sits in similar monthly territory to a mid range business laptop spread over three years, while a heavier specification costs several times that.
The comparison that matters is not against zero. It is against the laptop you would otherwise buy, the years it lasts, the setup time, the support calls, the disposal, and the months it sits unused if the role is seasonal.
Two numbers usually settle it for an owner. The first is how many of your desktops are shared, temporary or seasonal. The second is what an hour of a shift crew waiting on a computer costs you. Where both numbers are high, the monthly figure is rarely what the decision turns on.
Where it does not pay is a small team of full time staff who each need one capable machine all day. Buy them good laptops.
What Does Desktop Virtualisation Not Fix?
Desktop virtualisation does not fix a bad connection, does not replace backup, and does not suit every job on the payroll. It is a delivery model for the desktop, not a cure for the network and not a substitute for data protection.
It does not replace your backup
A hosted desktop is hosted, not backed up. Deleting a file inside one deletes it, and a desktop that gets decommissioned takes its local contents with it.
Data belongs in the file services and business systems behind the desktop, each with a backup regime of its own. This catches people out because central hosting feels safer, and feeling safer is not the same as being able to get last Tuesday’s file back.
It does not survive a poor connection
The desktop is only as good as the line it arrives over. It is more forgiving of a slow connection than most people expect and completely unforgiving of an unstable one, because a dropout is felt the instant it happens rather than quietly in the background.
Any site running hosted desktops needs a connection that is dependable before it is quick, ideally with a failover path behind it. A single fibre and no backup makes every desktop in the building depend on one cable.
It does not suit every role
Heavy graphics work, large model files and specialised peripherals are where cloud desktops get expensive or awkward, and unusual USB hardware sometimes never behaves properly.
The usual answer is a mix. Put the shared, temporary and mobile users on hosted desktops and leave the small number of heavy users on real machines.
What Do You Need in Place First?
Four things: a connection you trust, tight control over who can sign in, licensing that has been checked, and someone to run it. All four are cheaper to confirm before a pilot than during one.
The sign in question is the one most often underestimated. Once a desktop can be reached from any device on the internet, a staff password is the only thing standing between a stranger and your systems. Multi factor authentication stops being optional, and access rules that check who is connecting, and from where, mean a stolen password on its own gets nobody in.
The rest is ordinary operational work. Someone has to size the desktops, keep them patched, add and remove users, and watch what it costs each month. Exodesk carries that inside its cloud solutions engagements, so the desktops are maintained on the same footing as everything else instead of being set up once and forgotten.
Which South Island Businesses Get the Most From It?
Desktop virtualisation pays off where the workforce moves around more than the work does. Four kinds of New Zealand business account for most of what we deploy across Canterbury, Otago and Southland:
- Warehousing, distribution and cold store operators running shared terminals across a night shift, where nobody is on site to fix a machine at two in the morning
- Packhouses, processing plants and tourism operators whose headcount doubles for a season, then halves again the week it ends
- Accounting, legal and advisory practices whose client files must not leave the office on a laptop, and who get asked to prove it
- Multi site operators with depots, yards and small branch offices that have no server room and nobody local to look after one
How Do You Move to Desktop Virtualisation?
A sensible rollout starts with one group of users and six steps, and takes weeks rather than months:
- Pick the group that hurts most, usually shared or seasonal users, and count them.
- Check the connection and the failover at every site those users work from.
- Confirm the licensing and get a written per user monthly figure.
- Build one desktop image carrying the applications that group actually uses.
- Pilot it with a handful of real users for a fortnight, on the devices they really have.
- Roll that group out, then decide whether the next group is a fit at all.
Resist doing the whole business at once. The groups where cloud desktops are a poor fit are far easier to see once the first group is live.
The warehouse from the start of this article is about as simple as it gets. Three shifts, two shared screens, three cloud desktops, and the ten minutes at the start of every shift disappears. The two old PCs stay where they are, because now all they do is show a picture.
Two things worth doing this week
Count how many computers in your business are shared between two or more people, or sit unused for months at a time, because that number is the size of the opportunity.
Then ask what happens at your busiest site if the internet drops for an afternoon. If the answer is already bad, fix that first.
One Desktop, Any Device, Wherever the Work Happens
Exodesk has supported South Island businesses since 1989 and works with organisations across Canterbury, Otago and Southland from offices in Christchurch and Dunedin. We work out whether desktop virtualisation suits your operation, size the desktops honestly, confirm the licensing before you commit, and run the pilot on the devices your staff actually use.
Contact us today to discuss how we can help your business or connect with us on LinkedIn to stay updated with more insights.
Frequently Asked Questions
What is desktop virtualisation?
Desktop virtualisation means the machine a person works on is hosted centrally and delivered to them over a network connection. Everything they use, their applications, documents and settings, is held in a datacentre and shown on their screen. Whatever hardware they sign in from is only displaying the session, not running it.
How is desktop virtualisation different from server virtualisation?
Server virtualisation consolidates the servers a business runs onto fewer physical hosts in the server room. Desktop virtualisation does the same consolidation for the desktop each staff member uses. The technology family is the same and the targets sit at opposite ends of the network.
Is desktop virtualisation the same as desktop as a service?
Desktop as a service, usually shortened to DaaS, is desktop virtualisation bought as a monthly subscription from a provider rather than built and hosted on your own servers. The technology the user experiences is the same. The difference is commercial: DaaS is an operating cost with someone else owning the platform, and in house virtual desktop infrastructure is a capital purchase you maintain.
Is desktop virtualisation the same as Windows 365?
Windows 365 is one way to buy desktop virtualisation, sold as a Cloud PC at a fixed monthly price per user. Azure Virtual Desktop is the consumption based alternative from the same vendor, and traditional virtual desktop infrastructure is the version a business hosts itself. All three deliver a Windows desktop from somewhere other than the desk.
How much does desktop virtualisation cost?
Cloud desktops are priced per user per month, and the figure depends on how much power each desktop is given. A light desktop for a shift worker costs a fraction of one specified for heavy work. The comparison worth making is against the laptop you would otherwise buy and support for three or four years, not against nothing.
What internet connection does desktop virtualisation need?
Reliability matters more than raw speed. A hosted desktop tolerates a modest connection well and tolerates an unstable one very poorly, because every dropout is felt the moment it happens. Any site running hosted desktops should have a connection with a failover path, since every desktop there depends on it.
Does desktop virtualisation improve security?
It keeps data off the laptop, which closes off one of the most common ways businesses lose information. A laptop that is lost or stolen holds no files, because the files never left the datacentre. In exchange the staff password becomes the thing protecting everything, so multi factor authentication and access rules that check who is signing in become essential rather than advisable.
Do you still need backup with desktop virtualisation?
Yes. A hosted desktop is hosted, not backed up, and deleting a file inside one deletes it. Data should live in the file services and business systems behind the desktop, each with its own backup and retention arrangements.
Can staff use their own devices with desktop virtualisation?
That is one of the strongest cases for it. A contractor or staff member signs in from their own laptop or tablet, works inside a controlled desktop, and nothing belonging to the business is stored on their hardware. When the engagement ends the desktop is removed and no device has to be collected or wiped.
Will old computers still work as terminals?
Usually yes, and that is often the immediate saving. The work happens in the datacentre, so an older machine only has to display the session and handle keyboard, mouse and printing. It can push a fleet refresh out a year or two, although a machine too old to receive security updates should still be replaced.
Which businesses should not use desktop virtualisation?
Businesses where every staff member is full time, works from one place, and needs a capable machine all day rarely see a return. Heavy graphics work, large model files and unusual peripherals also sit awkwardly with hosted desktops. Most businesses land on a mix rather than a wholesale switch.
How long does a desktop virtualisation rollout take?
A single group of users can be piloted in a fortnight and live within a month, provided the connection and the licensing check out first. Larger rollouts run group by group rather than all at once. The pilot is what reveals which groups are a poor fit, so it should never be skipped.
Does Exodesk set up desktop virtualisation in Christchurch and Dunedin?
Exodesk designs, deploys and supports cloud hosted desktops for businesses across Canterbury, Otago and Southland from offices in Christchurch and Dunedin, and has worked with South Island businesses since 1989. That covers assessing whether the model fits, sizing the desktops, confirming the licensing, building the image, and running a pilot before any wider rollout.
