Virtual Desktop Infrastructure (VDI)

Last updated: February 8, 2026Reviewed date: February 8, 2026Reading time: 6 min read
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Virtual desktop infrastructure (VDI) is a software tool to centrally create and manage virtual desktops. Virtual desktops are software applications that mimic real desktop computers. VDI technology creates a virtual desktop on a central server, and remote users can access this desktop from any physical...

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Article Summary

Virtual desktop infrastructure (VDI) is a software tool to centrally create and manage virtual desktops. Virtual desktops are software applications that mimic real desktop computers. VDI technology creates a virtual desktop on a central server, and remote users can access this desktop from any physical machine over the internet. VDI quickly and efficiently sets up many virtual desktops to provide secure remote access to internal...

Key Takeaways

  • This article explains What are the benefits of VDI? in simple medical language.
  • This article explains What is VDI used for? in simple medical language.
  • This article explains How does VDI work? in simple medical language.
  • This article explains What are the types of VDI? in simple medical language.
Educational health guideWritten for patient understanding and clinical awareness.
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Emergency safety firstUrgent warning signs are highlighted below.

Seek urgent medical care if you notice

These warning signs are general safety guidance. Local emergency numbers and clinical judgment should always come first.

  • Severe symptoms, breathing difficulty, fainting, confusion, or rapidly worsening illness.
  • New weakness, severe pain, high fever, or symptoms after a serious injury.
  • Any symptom that feels urgent, unusual, or unsafe for the patient.
1

Emergency now

Use emergency care for severe, sudden, rapidly worsening, or life-threatening symptoms.

2

See a doctor

Book a professional medical evaluation if symptoms persist, worsen, recur often, affect daily activities, or occur in a high-risk patient.

3

Learn safely

Use this article to understand possible causes, tests, treatment options, prevention, and questions to ask your clinician.

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Definition

Virtual desktop infrastructure (VDI) is a software tool to centrally create and manage virtual desktops. Virtual desktops are software applications that mimic real desktop computers. VDI technology creates a virtual desktop on a central server, and remote users can access this desktop from any physical machine over the internet. VDI quickly and efficiently sets up many virtual desktops to provide secure remote access to internal business applications and services. Thus, using VDI, you can cost effectively and flexibly scale up any enterprise desktop infrastructure.

What are the benefits of VDI?

Virtual desktop infrastructure (VDI) brings many benefits to desktop management. Virtual desktops are more convenient to manage and scale than physical desktops. For example, you can do the following tasks.

Manage virtual desktops centrally

VDI brings centralized management to your virtual desktop environment. Administrators can patch, update, and change multiple virtual desktops at the same time. They can also save and back up desktop data for disaster recovery.

Scale VDI as needed

Since all VDI sits on a central system, you can easily scale it up or down. You can make it more flexible by hosting in the cloud. You can use a cloud service provider to deploy and manage thousands of virtual desktops without having to worry about underlying hardware costs.

Increase accessibility

You can access virtual desktop environments from anywhere and on any device. This improves user experience because you can bring your own device to the workplace or gain seamless remote access from any location. VDI creates a highly personalized digital workspace, making it more convenient to work from home or remotely.

Maintain internal security standards

The VDI environment is highly secure because the entire infrastructure is under enterprise control. Sensitive data from multiple virtual desktops sit on a single physical server. You can secure this centrally managed server or host server to meet internal standards. Remote workers can access the data from any device by following suitable authentication processes. The remote machines do not pose a security risk, even if they are lost or stolen.

Lower costs 

VDI technology brings down IT expenditure because it reduces the hardware costs of purchasing new traditional desktops. It also reduces ongoing management costs because you can maintain virtual desktops by using software processes.

What is VDI used for?

Virtual desktop infrastructure (VDI) has several use cases across different industries that employ remote workers, contractors, field technicians, and kiosk workers. We give some example use cases below.

Call centers

Call center employees use VDI solutions to access specific information and tools that they use to complete remote assistance tasks. This helps them streamline efficiency and reduce costs.

Remote work

Geographically dispersed employees use virtual environments to access the company network, applications, and resources without compromising security.

Regulatory compliance

Heavily regulated industries use VDI to secure confidential information. Remote data centers store sensitive information, and employees use virtual desktops to access it. This eliminates the problem of incorrect data access.

Third-party access

Contractors, business associates, and partner services sometimes require access to internal company systems. However, supplying company-owned hardware can be expensive, especially for shorter projects. A VDI environment is an ideal solution that minimizes security risk and gives efficient access to third parties.

How does VDI work?

Virtual desktop infrastructure (VDI) has a software layer that abstracts desktop functions, including the operating system functions. Virtualization technology decouples the operating system from the physical desktop. A software application acts as your desktop, on which you can install any operating system and applications. A VDI is a type of remote desktop virtualization because the virtual desktop is remote to the end user.

For example, typically, Microsoft Windows desktops are physical machines with Microsoft Windows installed on them. However, virtualized desktops could have a Linux desktop sitting on a Windows server machine. You could access this Linux desktop from your Mac computer without having to install Linux on your machine.

A VDI environment consists of two main components: a virtual machine and a connection broker.

Virtual machine

Virtual machines are the foundation of any desktop virtualization solution. They are machines within machines. A software machine runs on an underlying physical machine or host server. The hypervisor is the software that makes this possible. It partitions the host server into many virtual servers with their own operating systems. These virtual machines use the hypervisor to access the memory, CPU, and other resources of the host server. They create individual virtual desktop environments that end users can connect with remotely.

Connection broker

The connection broker is the software that facilitates the remote connection between end users and the hypervisor-installed server. When a user connects to the remote desktop services, this software layer authenticates the user and gives them access to their virtual desktop environment. It also facilitates interactions between the remote user and the virtual desktop. For example, the connection broker provides screen updates and sends mouse clicks and keystrokes to the virtual desktop.

What are the types of VDI?

There are two types of virtual desktop infrastructure (VDI) deployment methods: persistent VDI and nonpersistent VDI:

Persistent VDI deployment

Persistent VDI deployments are remote desktops that are saved for individual end users. Multiple users have persistent desktops that they can customize and reuse repeatedly.

Nonpersistent VDI deployment

Nonpersistent VDI deployments are single-use desktop instances. The centralized server creates a new generic desktop for every user and then destroys the desktop after use. Nonpersistent desktops are cost effective when organizations have a large workforce using business applications for repetitive administrative tasks. For example, call center employees require a standard set of applications for their work. Any data they create is stored remotely in the business application. You can set up a new nonpersistent VDI for them in every session, and it will not cause them to lose any work.

What are desktop images?

A desktop image is another term for virtual desktops. It’s a desktop template file that defines the operating system, configuration, and applications on the remote desktop. Golden images are standardized desktop images that administrators use to quickly deploy the same desktop for multiple users. Administrators use virtual desktop infrastructure (VDI) management software to manage the images in a central repository, such as by assigning them to users, maintaining different versions, or configuring system updates.

What are cloud-native virtualized desktops?

In cloud-native virtualized desktops, the remote virtual desktop is hosted on a server in the cloud. A cloud-hosted virtual desktop infrastructure (VDI) solution has all the advantages of cloud infrastructure, such as:

  • Pay-per-use service
  • Ability to scale up or down as required
  • Lower hardware investment

Two types of VDI services use cloud infrastructure: fully managed and desktop as a service.

Fully managed VDI service

Fully managed VDI service is VDI management software that is available as a cloud-based service for your administrators. The service supports administrators by providing features like existing desktop image templates, built-in security and data encryption, and management of operating system licenses. Administrators perform the deployment, monitoring, application life cycle management, and other tasks to implement the service for your organization.

Desktop as a service

Desktop as a service is a third party that supports the implementation of managed VDI services. They deploy the fully managed service for your organization and also take over administration responsibilities, reducing the need for in-house IT capabilities. For example, Virtusa Desktop-as-a-Service is a scalable and flexible turnkey solution that you can deploy in just three days to allow your entire global organization to immediately begin working remotely. It supplies a full set of services, such as application lifecycle management, endpoint delivery, and ongoing VDI monitoring.

Doctor visit helper

Prepare before seeing a doctor

A simple rural-patient checklist to help you explain symptoms clearly, ask better questions, and avoid unsafe self-treatment.

Safety note: This is not a prescription or diagnosis. For severe symptoms, pregnancy danger signs, children with serious illness, chest pain, breathing difficulty, stroke-like weakness, or major injury, seek urgent care.

Which doctor may help?

Start with a registered doctor or the nearest qualified health center.

What to tell the doctor

  • Write when the problem started and how it changed.
  • Bring old prescriptions, investigation reports, and current medicines.
  • Write allergies, pregnancy status, diabetes, kidney/liver disease, and major past illnesses.
  • Bring one family member if the patient is weak, elderly, confused, or a child.

Questions to ask

  • What is the most likely cause of my symptoms?
  • Which danger signs mean I should go to hospital quickly?
  • Which tests are necessary now, and which can wait?
  • How should I take medicines safely and what side effects should I watch for?
  • When should I come for follow-up?

Tests to discuss

  • Vital signs: temperature, pulse, blood pressure, oxygen saturation
  • Basic physical examination by a clinician
  • CBC, urine test, blood sugar, or imaging only when clinically needed

Avoid these mistakes

  • Do not use antibiotics, steroid tablets/injections, or strong painkillers without proper medical advice.
  • Do not hide pregnancy, kidney disease, ulcer, allergy, or blood thinner use.
  • Do not delay emergency care when danger signs are present.

Medicine safety and first-aid guide

This section is for patient education only. It does not replace a doctor, pharmacist, or emergency care.

Safe first steps

  • Rest, drink safe water, and observe symptoms carefully.
  • Keep a written note of symptoms, duration, temperature, medicines already taken, and allergy history.
  • Seek medical care quickly if symptoms are severe, worsening, or unusual for the patient.

OTC medicine safety

  • For mild pain or fever, ask a registered pharmacist or doctor before using common over-the-counter pain/fever medicines.
  • Do not combine multiple pain medicines without advice, especially if you have kidney disease, liver disease, stomach ulcer, asthma, pregnancy, or take blood thinners.
  • Do not give adult medicines to children unless a qualified clinician advises it.

Avoid these mistakes

  • Do not start antibiotics without a proper medical decision.
  • Do not use steroid tablets or injections casually for quick relief.
  • Do not delay emergency care because of home remedies.

Get urgent help if

  • Severe symptoms, confusion, fainting, breathing difficulty, chest pain, severe dehydration, or sudden weakness need urgent medical care.
Medicine names, dose, and timing must be decided by a qualified clinician or pharmacist after checking age, pregnancy, allergy, other diseases, and current medicines.

For rural patients and family caregivers

Patient health record and symptom diary

Write your symptoms, medicines already taken, test results, and questions before visiting a doctor. This note stays on your device unless you print or copy it.

Doctor to discuss: Doctor / qualified healthcare provider
Tests to discuss with doctor
  • Basic vital signs: temperature, pulse, blood pressure, oxygen level if needed
  • Relevant blood, urine, imaging, or specialist tests only after clinical assessment
Questions to ask
  • What is the most likely cause of my symptoms?
  • Which warning signs mean I should go to emergency care?
  • Which tests are really needed now?
  • Which medicines are safe for my age, pregnancy status, allergy, kidney/liver/stomach condition, and current medicines?

Emergency warning signs such as chest pain, severe breathing difficulty, sudden weakness, confusion, severe dehydration, major injury, or loss of bladder/bowel control need urgent medical care. Do not wait for online information.

Safe pathway to proper treatment

Care roadmap for: Virtual Desktop Infrastructure (VDI)

Use this simple roadmap to understand the next safe steps. It is educational and does not replace examination by a doctor.

Go to emergency care if you notice:
  • Severe or rapidly worsening symptoms
  • Breathing difficulty, chest pain, fainting, confusion, severe weakness, major injury, or severe dehydration
Doctor / service to discuss: Qualified healthcare provider; specialist depends on symptoms and examination.
  1. Step 1

    Check danger signs first

    If danger signs are present, seek emergency care and do not wait for online information.

  2. Step 2

    Record the symptom story

    Write when symptoms started, severity, medicines already taken, allergies, pregnancy status, and test results.

  3. Step 3

    Visit a qualified clinician

    A doctor, nurse, or qualified healthcare provider can examine you and decide which tests or treatment are needed.

  4. Step 4

    Do only useful tests

    Do tests after clinical assessment. Avoid unnecessary tests, random antibiotics, or repeated medicines without diagnosis.

  5. Step 5

    Follow up and return early if worse

    If symptoms worsen, new warning signs appear, or treatment is not helping, return for review quickly.

Rural patient practical tips
  • Take a written symptom diary and all previous prescriptions/test reports.
  • Do not hide medicines already taken, even herbal or over-the-counter medicines.
  • Ask which warning signs mean urgent referral to hospital.

This roadmap is for education. A real diagnosis and treatment plan requires history, examination, and clinical judgment.

RX Patient Help

Ask a health question safely

Write your symptom story. A health professional or site editor can review it before any answer is prepared. This box is not for emergency care.

Emergency first: Severe chest pain, breathing trouble, unconsciousness, stroke signs, severe injury, heavy bleeding, or rapidly worsening symptoms need urgent local medical care now.

Frequently Asked Questions

What are the benefits of VDI?

Virtual desktop infrastructure (VDI) brings many benefits to desktop management. Virtual desktops are more convenient to manage and scale than physical desktops. For example, you can do the following tasks.

Manage virtual desktops centrally VDI brings centralized management to your virtual desktop environment. Administrators can patch, update, and change multiple virtual desktops at the same time. They can also save and back up desktop data for disaster recovery. Scale VDI as needed Since all VDI sits on a central system, you can easily scale it up or down. You can make it more flexible by hosting in the cloud. You can use a cloud service provider to deploy and manage thousands of virtual desktops without having to worry about underlying hardware costs. Increase accessibility You can access virtual desktop environments from anywhere and on any device. This improves user experience because you can bring your own device to the workplace or gain seamless remote access from any location. VDI creates a highly personalized digital workspace, making it more convenient to work from home or remotely. Maintain internal security standards The VDI environment is highly secure because the entire infrastructure is under enterprise control. Sensitive data from multiple virtual desktops sit on a single physical server. You can secure this centrally managed server or host server to meet internal standards. Remote workers can access the data from any device by following suitable authentication processes. The remote machines do not pose a security risk, even if they are lost or stolen. Lower costs  VDI technology brings down IT expenditure because it reduces the hardware costs of purchasing new traditional desktops. It also reduces ongoing management costs because you can maintain virtual desktops by using software processes. What is VDI used for?

Virtual desktop infrastructure (VDI) has several use cases across different industries that employ remote workers, contractors, field technicians, and kiosk workers. We give some example use cases below.

Call centers Call center employees use VDI solutions to access specific information and tools that they use to complete remote assistance tasks. This helps them streamline efficiency and reduce costs. Remote work Geographically dispersed employees use virtual environments to access the company network, applications, and resources without compromising security. Regulatory compliance Heavily regulated industries use VDI to secure confidential information. Remote data centers store sensitive information, and employees use virtual desktops to access it. This eliminates the problem of incorrect data access. Third-party access Contractors, business associates, and partner services sometimes require access to internal company systems. However, supplying company-owned hardware can be expensive, especially for shorter projects. A VDI environment is an ideal solution that minimizes security risk and gives efficient access to third parties. How does VDI work?

Virtual desktop infrastructure (VDI) has a software layer that abstracts desktop functions, including the operating system functions. Virtualization technology decouples the operating system from the physical desktop. A software application acts as your desktop, on which you can install any operating system and applications. A VDI is a type of remote desktop virtualization because the virtual desktop is remote to the end user. For example, typically, Microsoft Windows desktops are physical machines with Microsoft Windows installed on them. However, virtualized…

Virtual machine Virtual machines are the foundation of any desktop virtualization solution. They are machines within machines. A software machine runs on an underlying physical machine or host server. The hypervisor is the software that makes this possible. It partitions the host server into many virtual servers with their own operating systems. These virtual machines use the hypervisor to access the memory, CPU, and other resources of the host server. They create individual virtual desktop environments that end users can connect with remotely. Connection broker The connection broker is the software that facilitates the remote connection between end users and the hypervisor-installed server. When a user connects to the remote desktop services, this software layer authenticates the user and gives them access to their virtual desktop environment. It also facilitates interactions between the remote user and the virtual desktop. For example, the connection broker provides screen updates and sends mouse clicks and keystrokes to the virtual desktop. What are the types of VDI?

There are two types of virtual desktop infrastructure (VDI) deployment methods: persistent VDI and nonpersistent VDI:

Persistent VDI deployment Persistent VDI deployments are remote desktops that are saved for individual end users. Multiple users have persistent desktops that they can customize and reuse repeatedly. Nonpersistent VDI deployment Nonpersistent VDI deployments are single-use desktop instances. The centralized server creates a new generic desktop for every user and then destroys the desktop after use. Nonpersistent desktops are cost effective when organizations have a large workforce using business applications for repetitive administrative tasks. For example, call center employees require a standard set of applications for their work. Any data they create is stored remotely in the business application. You can set up a new nonpersistent VDI for them in every session, and it will not cause them to lose any work. What are desktop images?

A desktop image is another term for virtual desktops. It's a desktop template file that defines the operating system, configuration, and applications on the remote desktop. Golden images are standardized desktop images that administrators use to quickly deploy the same desktop for multiple users. Administrators use virtual desktop infrastructure (VDI) management software to manage the images in a central repository, such as by assigning them to users, maintaining different versions, or configuring system updates.

What are cloud-native virtualized desktops?

In cloud-native virtualized desktops, the remote virtual desktop is hosted on a server in the cloud. A cloud-hosted virtual desktop infrastructure (VDI) solution has all the advantages of cloud infrastructure, such as: Pay-per-use service Ability to scale up or down as required Lower hardware investment Two types of VDI services use cloud infrastructure: fully managed and desktop as a service.

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