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VMware vCenter

VMware vCenter

Overview

What is VMware vCenter?

VMware vCenter is an advanced server management software that provides a centralized platform for controlling vSphere environments for visibility across hybrid clouds. VMware vCenter is no longer sold as a standalone product and is now available as a part of…

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Recent Reviews

TrustRadius Insights

Intuitive User Interface: Reviewers have consistently praised the intuitive and easy-to-navigate user interface of vCenter, with many …
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Improved VM Management

8 out of 10
November 15, 2021
Incentivized
It was used by a few departments across the organization for management, organization, and load balancing of VMs in our data center. Apart …
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Awards

Products that are considered exceptional by their customers based on a variety of criteria win TrustRadius awards. Learn more about the types of TrustRadius awards to make the best purchase decision. More about TrustRadius Awards

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Pricing

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Basic

6,044

On Premise
per year

Production

6,244

On Premise
per year

Entry-level set up fee?

  • No setup fee

Offerings

  • Free Trial
  • Free/Freemium Version
  • Premium Consulting/Integration Services
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Product Demos

VMWare vCenter Server 6.0 Installation & Configuration Step by Step

YouTube
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Product Details

What is VMware vCenter?

VMware vCenter is an advanced server management software that provides a centralized platform for controlling vSphere environments for visibility across hybrid clouds. It offers centralized visibility and simplified management at scale, and extensibility across the hybrid cloud, from a single console. VMware vCenter is advanced server management software that provides a centralized platform for controlling VMware vSphere environments, allowing users to automate and deliver a virtual infrastructure across the hybrid cloud with confidence.

VMware vCenter is no longer sold as a standalone product and is now available as a part of VMware Cloud Foundation.

VMware vCenter Integrations

VMware vCenter Technical Details

Deployment TypesOn-premise
Operating SystemsWindows, Linux, Mac
Mobile ApplicationNo

Frequently Asked Questions

VMware vCenter is an advanced server management software that provides a centralized platform for controlling vSphere environments for visibility across hybrid clouds. VMware vCenter is no longer sold as a standalone product and is now available as a part of VMware Cloud Foundation.

Reviewers rate Support Rating highest, with a score of 9.

The most common users of VMware vCenter are from Mid-sized Companies (51-1,000 employees).
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Comparisons

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Reviews and Ratings

(336)

Community Insights

TrustRadius Insights are summaries of user sentiment data from TrustRadius reviews and, when necessary, 3rd-party data sources. Have feedback on this content? Let us know!

Intuitive User Interface: Reviewers have consistently praised the intuitive and easy-to-navigate user interface of vCenter, with many users stating that it made tasks easy and allowed for efficient management of complex infrastructure components. Centralized Management Capabilities: Numerous reviewers appreciated the centralized management capabilities of vCenter, which provided a single portal to handle hundreds of virtual machines efficiently. This feature allowed users to easily manage, allocate resources, and migrate VMs or workloads. Fast Server Provisioning and Cloning: Several users highlighted vCenter's ability to spin up, delete, and clone servers within minutes as a defining feature in modern data centers. This functionality was particularly helpful for provisioning and automation tasks.

High Price: Some organizations have found it difficult to justify the expense of VMware vCenter due to its high price. This sentiment is shared by several users who feel that the cost of vCenter is quite expensive.

Troubleshooting Challenges: Gaining insight into problems without a third-party application or VMware add-on can be challenging, making troubleshooting difficult for some users. This has been a common concern raised by reviewers who mention the need for additional tools to effectively troubleshoot issues in vCenter.

HTML5 Client Preference: Some users do not prefer the push towards using only the HTML5 vSphere client and express their desire for a cleaner and simpler integration with PowerCLI. The preference for the previous client version over HTML5 has been mentioned by multiple users as well.

Attribute Ratings

Reviews

(1-18 of 18)
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November 15, 2021

Improved VM Management

Score 8 out of 10
Vetted Review
Verified User
Incentivized
It was used by a few departments across the organization for management, organization, and load balancing of VMs in our data center. Apart from the IT team, it was used by a few power users of different teams for their VMs. It solved the issue of managing VMs at scale.
  • Good UI.
  • Mostly intuitive to navigate.
  • Aggregates info from multiple vSphere servers into one.
  • Allows easy management and snapshot of VMs.
  • Updating was not the most intuitive.
  • The HTML5 version was released and did not have all of the features that the Adobe Flash version did in the past.
  • Some things were very easy and intuitive while some decisions just didn't make much sense.
If you use more than one vSphere deployment, vCenter is awesome for having everything in one console and not having to hop between web servers to manage different VMs that may be on different bare metal. If you work in a data center environment that runs VMWare, you very likely run this software.
Score 10 out of 10
Vetted Review
Verified User
Incentivized
We use vCenter server to manage our on-premises VMWare VSphere environment. We currently have two instances of vCenter installed at our university - one for managing our main vSphere clusters, and a separate one at a remote campus for managing the vSphere cluster in our DR data center. Users are typically from within the technology services department.
  • vCenter is, in my opinion, the only way to go for managing vSphere clusters - it centralizes management for all of the ESX hosts as well as all of the VMs themselves.
  • vCenter is extremely good at consolidating all of the information you need to know about your ESX hosts and your VMs in to one easily referable location.
  • vCenter makes it easy to allocate all of the compute and storage resources in your vSphere clusters in the most efficient way possible.
  • The vSphere web client is sub-par. The interface is slow and difficult to navigate. The old standalone client was/is better to use, but for some functionality, you are forced to use the web client.
vCenter is well suited to managing large enterprise deployments of ESX/vSphere. For smaller, less automated installations, it's probably overkill, but I can't imagine trying to manage an enterprise deployment of vSphere without it. More specifically - if you have large, integrated vSphere environments (multiple clusters or data centers, SAN storage, many hosts, etc.) it's a great tool. If you don't have those things, you can probably get along without it.
Rick Lupton | TrustRadius Reviewer
Score 10 out of 10
Vetted Review
Verified User
Incentivized
VMware vCenter Server is used to manage our enterprise production VMware host clusters. We have approximately 50 hosts each hosting around 40 VM guests running production applications supporting campus wide functions. Since the clusters are in a distributed environment with fail over capabilities enabled, vCenter is essential for managing these migrations and disaster recovery strategies. Without this software, all functions would have to be performed manually on each host with a great deal more downtime than currently experienced between migrations.
  • VMware environment client accesss
  • VMware host adminstration
  • VMware Cluster management
  • VMware alerts management
  • Transition from Windows Application to Web Client has been difficult
  • vCenter fail over needs improvement
  • Linked vCenters cause slow down when network links are down
  • Snapshot remediation needs more automation for cleanup processing
vCenter is well suited to any enterprise environment needing to run enough VM guest servers to need more than one host or when needing fail over and disaster recovery capabilities. vCenter might be overkill in testing or education environments where the advanced features are not needed. Since vCenter requires either per host CPU licensing or VM subscription model pricing, this has to be a consideration as well. There are other free tools for managing VMware; however, they are no match for the great functionality of vCenter.
Score 9 out of 10
Vetted Review
Verified User
Incentivized
We've used VMware vCenter for about eleven years. It is used by two IT departments at two different data centers across the company. While virtualization with vSphere is possible without vCenter, I would not want to be without its management and resiliency tools. In addition, there are many helpful vendor tools that you can take advantage of and add to your vCenter's capabilities.
  • DRS
  • HA/FT
  • vMotion for maintenance
  • Storage vMotion for expansion/portability
  • Until recently, the web client for management was horrible.
  • Discontinuation of the C# client.
  • VMWare support blames everything on underlying storage (sometimes it's true).
If you are going to manage more than one vSphere host, I believe it to be a necessity. Yes, there is an associated cost. I believe it is about $500 for the basic license (or used to be about that much). vCenter Server enables you to get the most from your server investment. Depending upon your license, you gain features such as automated or manual distributed resources, moving VMs from one server to another to allow for maintenance, automated failover if a host goes down, distributed switching and storage vMotion.
Ben Liebowitz | TrustRadius Reviewer
Score 10 out of 10
Vetted Review
Verified User
Incentivized
My company is about 95% virtualized using VMware vSphere. Because of this, we use VMware vCenter Server to manage our environments. We currently have 4 VMware vCenter Server deployments that I support/manage. Each one is for a specific site and we use it to manage the VMware vSphere Hosts at that site/function. With this tool, we can add new vSphere Hosts, deploy virtual machines, manage the host virtual switches, add/remove storage, etc.
  • Centralized Management of your VMware vSphere Hosts
  • Centralized Management of your Distributed Network Switches
  • Deployment and management of VMware vSAN Clusters
  • Creation and management of Storage Clusters
  • vCenter High Availability can be a challenge
  • The learning curve can be high with all the features and functionality.
  • Securing your virtualization environment can be very challenging.
As someone that's been using vCenter for about 10 years now, I find it very easy to use to manage my virtualization environment(s). I'm able to see everything from one interface as well as manage my virtual servers.
Muhammad Mulla | TrustRadius Reviewer
Score 9 out of 10
Vetted Review
Verified User
Incentivized
Our whole environment, upwards of 800 servers across multiple sites is 99.9% virtualized on VMware and we use a vCenter server to manage it all. It allows you to manage multiple hosts, storage, sites and recovery from a single management console. VMware vCenter Server as a management tool for our environment is used by the specific teams that require access to manage virtual machines, ESX hosts, storage or backups.
  • VMware vCenter Server is particularly good at Distributed Resource Scheduling or DRS.
  • vCenter server is also great in terms of providing High Availability across virtualization hosts in a cluster configuration, providing reassurance and resilience in case of failure.
  • vCenter's VSAN capability allows smaller organizations to have a resilient shared storage infrastructure without having to pay for a large SAN environment.
  • The worst thing about the server is the flash based web console. VMware really needs to put some development time into a proper HTML5 console.
vCenter is well suited if you need to virtualize servers across 3 or more physical hosts. If you have fewer than 3 hosts there are too many features that you will not be able to take advantage of. Always ensure, for best support, that any physical hardware you purchase is present on VMware's comprehensive support matrices.
Score 9 out of 10
Vetted Review
Verified User
Incentivized
We use vCenter to house our 30+ VMs spread across 9 different hosts. It addresses many different problems for us. It gives us great failover, flexibility, and allows us to maximize the potential of our hardware.
  • vMotion is incredible to allow us to migrate to new clusters/hosts while minimizing downtime.
  • The simple, easy to use centralized management capabilities of the new web interface makes it easy to get up and going, as well as managing and making changes anytime you need to.
  • It's very versatile and allows us to spin up, test, and deploy new types of VMs easily and efficiently.
  • I would like to see it be as simple to add the vCenter Server to a Windows Domain as it is a Windows desktop OS.
Any environment that requires utilization of multiple servers across multiple hosts and wants minimum downtime through the use of high availability and fail over alongside simple, centralized management will benefit from vCenter Server.
Greg Goss | TrustRadius Reviewer
Score 10 out of 10
Vetted Review
Verified User
Incentivized
The IT team uses vCenter server to manage our virtual environment. We have 8 hosts that contain a few hundred servers ranging from domain controllers, to file servers, to database servers. Our entire infrastructure is virtual so a solid hypervisor and accompanying tools are key. With vCenter, we are able to provide a stable environment with vMotion and manage all of our servers no matter where they float to in the cluster. We are tasked with responding quickly to requests for more storage space, servers for applications, and database growth. vCenter allows us to perform these tasks in minutes without having to worry about which host we're on at the moment. It provides a true one-stop-shop for our VMWare environment.
  • The one thing that is does the best is provide a single place from which to view my entire virtual environment. I've dealt with environments of two hosts with a few guests and environments with 8 hosts and hundreds of guests...it both cases it saves valuable time trying to see what my guests are up to and what the host environment is behaving.
  • vCenter provides me a stable environment. vMotion not only provides protection against a single host going down, but also helps keep resource consumption down by moving busy servers to less busy hosts. All of this is done without taking the guest down. This means no more late nights of staying up to have a non-busy maintenance window. With vMotion and storage vMotion, I can do my job during business hours.
  • When I need to provision a server, it's a matter of a few minutes to deploy a template. If I need to increase RAM or drive space on a server because the drive filled up, I can do that in seconds. It let me have a single place where I can very quickly respond to many different types of challenges I face.
  • I still am not happy with the web interface. While convenient in that I can access vCenter from anywhere I have a browser connection, It feels slower than the thick client and if I'm doing anything that takes longer than a few minutes, I'll always opt for the thick client.
If you have more than one host and your company can support the cost of vCenter Server, then you should seriously consider the purchase. It is the best (really only) way to scale your VMware environment. If you only have one host, then this is not for you as the benefits would not outweigh the cost.
Score 9 out of 10
Vetted Review
Verified User
Incentivized
We use vCenter to manage more than 2,000 ESXi servers across the world. Our server administrators use vCenter to manage more than 10,000 virtual servers.
  • vMotion, Storage VMotion, DRS and HA are vCenter features that I really like that work very, very well.
  • vCenter server strengths - stability and great GUI
  • VMware needs to improve the web client. For some tasks, the old VI client is much faster.
  • They need to find the way to manage VDS if you have a vCenter outage.
vCenter is the management tool for any VMware environment, it is always well suited.
Score 8 out of 10
Vetted Review
Verified User
Incentivized
We currently use VMware vCenter to manage our 250 virtualized servers. We have eliminated all but a couple physical servers. vCenter has allowed us to reduce costs across the board, from power consumption to datacenter space. We have also benefited from having one tool to manage all of our servers, instead of having to use multiple web portals and rdp connections.
  • It integrates with our storage products and easily helps us both deploy and adjust our disk usage on the fly. You can easily see now only the space available, but also which servers are using what storage at any given time through one relatively simple interface.
  • vCenter vmotion works well to migrate servers between hypervisors. This comes in handy both when balancing resource usage, but also when a hypervisor needs some maintenance or repairs. We can easily and quickly vacate a hypervisor and get work done with no downtime on the servers.
  • vCenter's server console runs smoothly with minimal resources. This allows us to have access to, sometimes, many servers simultaneously without tasking the client resources.
  • VMware vCenter allows us to quickly and easily add memory and other virtual hardware to servers very quickly to fix performance issues.
  • Not all applications fully support virtualization. vCenter isn't aware of those applications at all, so you need to be careful to configure your settings so that servers that don't like being moved aren't moved during production times. You don't want a SQL server getting migrated during your work day.
  • vCenter has moved away from the desktop client in the newer versions in favor of the web version. The desktop, in my opinion, is superior. They have begun making some features web only, so they have been very passive aggressive in trying to slowly move people over to the web client.
  • We have had issues where granular permissions created problems. The error logs as a general error and doesn't recognized that a task failed because of permissions, you need to review and figure that out. It would be nicer if a permissions problem referenced that in the event log to simplify troubleshooting.
If you are doing more than a few servers virtualized, vCenter is the way to go. It allows you to manage a lot of servers and resources pretty easily and cleanly. You will need some training or hire a good consultant to help with the initial setup. If you are only planning on virtualizing a small group of servers, it will be a lot of effort to get configured on set up with little chance to realize a real ROI.
Score 9 out of 10
Vetted Review
Verified User
Incentivized
vCenter server helped us modernize our testing infrastructure from being a fully bare-metal shop to utilizing virtual machines for any and all use cases that make sense. Specifically, our evaluation department benefited most directly from this change, as they were previously constrained by available physical machines. Now, with vCenter Server, and the ability to templatize common machine requirements. Providing an easy way for evaluators to easily create and destroy machines as needed for their testing efforts simplifies the complex management of physical machines. We've also deployed an in-house framework that leverages the comprehensive vCenter API for performing automation of our nightly tests.
  • vCenter API/Power CLI. These tools provide an easy way to interface and automate interactions with vCenter, and expand its functionality nearly to the limits of your imagination. We've dramatically improved the quality of our software by integrating our automation with vCenter for easily reused or destroyed testing environments.
  • Templates and customization specifications. Together, these two features provide users a very easy way to create multiple instances of known machine configurations, and have them configured specific to your application, need, or development team. This is a powerful feature that saves a substantial amount of time in set up, especially if you prefer short-term virtual machines, rather than long-term maintenance.
  • Snapshots. Ok, I might get crucified by the IT guys who manage vCenter and hate snapshots with a passion, but they are an incredibly useful tool for doing exploratory testing. They enable developers and evaluators alike to perform the iterate / test cycle in a much quicker manner than ever before. Moreover, it enables that same group to limit down time after a failed attempt by being able to revert back to a known good state in mere seconds. This feature should be strongly considered for any deployment.
  • Clients. vCenter has long been trying to abandon the locally installed thick client in favor of a web client. The problem is, the web client still isn't a good user experience. Installing plugins, having poor performance, etc, makes users continue to use the thick client for a majority of tasks.
  • Virtual Machine management could improve. I understand there are specific ways of managing Windows updates, etc, but it seems too complex to attempt. I'm not sure if its feasible, but I'd love one-button management across all my virtual machines AND their snapshots.
  • Customization Specifications could be more robust. When they fail, it is often frustrating to figure out why. At this point, its a vague middle ground in between vCenter and Windows, but providing easier methods of diagnosing the failure would be well received.
If you've never used vCenter Server before, you can use it to dramatically modernize your infrastructure. If you're tackling evaluation in a physical environment still, stop reading this and go buy a vCenter. Your resource contention will vaporize, and you'll find yourself more able to respond to testing needs quicker than ever before.

If, however, you're looking for push-button deployments for non-technical users, vCenter is not the self-serve portal you're looking for. VMWare offers other products that will be better suited for your needs, like vCloud.
Ashley Davis | TrustRadius Reviewer
Score 10 out of 10
Vetted Review
Verified User
Incentivized
As an IT firm, we deploy VMware both in-house and for many clients to consolidate hardware and reduce costs. Virtual servers on one more powerful host is far more cost efficient than multiple smaller servers. It takes up less space on premises and the hardware you purchase for a VMware host is far more reliable than what you would buy for smaller individual servers. Larger servers as VMware host also have the advantage of redundancy in hardware so you almost never have everything go down.
  • Consolidation of hardware resources.
  • Hardware redundancy.
  • Cost effective deployment of new servers.
  • The web UI leaves something to be desired, but this is being addressed in vCenter 6.5 and beyond.
  • Some hardware settings can be a bit obtuse.
vCenter server is useful in almost all scenarios. Its function as a hypervisor that gives you the ability to run multiple servers on one host means that you can easily organize the functions of the virtual machines. No more MySQL running on the domain controller and causing issues when a reboot is necessary. On the other hand, it may not be necessary for very small deployments where only one or two servers are necessary.
Stefan Semo | TrustRadius Reviewer
Score 10 out of 10
Vetted Review
Verified User
Incentivized
Managing multiple ESXi Hosts is no easy task, especially if you wish to take advantage of the VMware automation features. Once you have 2 or more hosts vCenter Server becomes a necessity. While it used to be that you needed Windows Server to deploy and run vCenter, VMware has been steadily improving the Linux appliance (vCSA), to the point where almost all functionality is now included.

From a business standpoint it is a winner because:

  • There is no need to pay for a Windows OS license for vCenter Server
  • There is no need to upgrade the Windows OS or maintain third-party tools on the server running vCenter
  • Because there is no Windows OS or vCenter application to install in windows, the deployment is very fast.
  • Multiple hosts management
  • Allows for Cloning, Host and Datastore Migrations
  • Allows for power management across multiple hosts
  • The HTML5 Web interface of vCenter (VCSA) install not inclusive of all functionality.
  • Auto-Updates of the appliance are still lacking
  • Deployment wizard is a bit buggy and cumbersome
When managing multiple hosts VCS is mandatory, however in environments where hosts are running separately and independently, it is not needed.
Michael Kerzner | TrustRadius Reviewer
Score 10 out of 10
Vetted Review
Verified User
Incentivized
I work for a managed services IT provider. All of our clients utilize VMware vCenter Server. vCenter Server makes our lives very easy when it comes to managing Virtual Servers and Workstations. vCenter Server keeps all of our virtual machines in a central location making them very easy to manage. If we have a host that needs maintenance, vCenter Server allows us to live migrate the virtual machines to another host so we can perform the maintenance with no downtime.
  • VMware vCenter Server takes all of my Virtual Machines a from multiple hosts and makes centralized management a reality. I need to access only one interface and can make changes or access all of my hosts, datastores, and virtual machines.
  • VMware vCenter Server offers vMotion a service that is extremely important in all of the environments I manage. I am able to migrate virtual machines from one host to another without shutting down the virtual machine. This allows me to free up resources on a host or empty a host completely so maintenance or a reboot can be performed.
  • VMware vCenter Server allows me to access it via a web browser. I can then console into any of my virtual machines using only the web browser. My VMs open in a seperate tab and I am able to control it just as if I were in front of the physical console.
  • There is definitely a learning curve when using vCenter Server. You can't just jump right in, you need to do your research first and possibly acquire some training.
  • Migrating VMware vCenter Server from either the Windows version to the Linux Appliance or upgrading the Linux Appliance to the newest version of the Linux Appliance isn't always the easiest experience.
If you are in an environment that utilizes multiple ESXi hosts with multiple virtual machines on each, VMware vCenter Server is an invaluable tool that will not only make your life easier, it will greatly improve your productivity. Centrally managing hosts and virtual machines is a no-brainer when it comes to saving valuable time that none of us really have in today's IT world.
Score 10 out of 10
Vetted Review
ResellerIncentivized
vCenter is at use both at the company I work for as well as other companies that use our software. It is great for centralized management of a virtual infrastructure.
  • Infrastructure Management
  • Virtual Machine Management
  • Reporting
  • The web interface normally gets mixed reviews
  • It is resource intensive at 4vCPU and 16GB of ram
  • Could be less complex
[VMware vCenter is well suited for] Any environment where VMware ESXi is being used.
Score 10 out of 10
Vetted Review
Verified User
Incentivized
We use VMWare vCenter Server to manage our VMWare environment. It gives us one place to go to manage servers and desktops. It allows a small team to handle a larger workload compared to when we were using solely physical servers and pcs.
  • Manage virtual servers
  • Allow for monitoring of error and alerts
  • Snapshots make it easy to revert to a previous state before an update or application was applied.
  • User interface could be a little cleaner
  • Console sometimes has a lag
  • Certificates can be an issue when deployed to a linked clone pool
VMWare vCenter Server would be a good fit for most companies. It can save money, allow you to reuse existing physical servers, and make the most out of your hardware.
February 08, 2016

vCenter or bust

Score 9 out of 10
Vetted Review
Verified User
Incentivized
VMware vCenter Server is being used by IT and dev to control environments and get reporting on the overall status of the environment. We are not using any of the add-on features, such as Orchestrator or SRM. It is extremely functional and easy to use - between the enterprise and features in 6.0 - it is leaps and bounds ahead of Microsoft System Center Virtual Machine Manager (SCVMM), XenCenter, etc.
  • Ease of management of the actual VCenter server. Deploying and upgrading has become trivial since the release of VCA.
  • Built-in ESXi monitoring and pre-determined alarms keep us ahead of issues- especially with integration into the HP onboard sensors.
  • There are several failsafe features built-in - example: when moving ports to a distributed switch, if connectivity fails, it moves them back automatically.
  • Very expensive - especially considering that with standard and above it is not optional. I think they should bundle it in with some ESXi levels.
  • The lack of a good mobile web UI is disappointing.
  • Leverages flash... support for various browsers for the client integration tools after flash/browser upgrades is spotty.
Anywhere ESX is used, this is a no brainer. Other than the licensing cost, I can not think of any scenario in which this should not be used with ESXi. They do support third party hypervisors, but I have not tried this. From what I've read, SCVMM may be better suited for multi-hypervisor environments
Aaron Hartzler | TrustRadius Reviewer
Score 10 out of 10
Vetted Review
Verified User
Incentivized

VMware vCenter Server is being used heavily by my organization. We rely on it daily for supporting the numerous applications that run our core business. From deploying web servers to database servers to application servers, VMware vCenter Server handles nearly all cases where a new server is needed.

VMware vCenter server is mainly managed by the group I am a part of (infrastructure), but what VMware supports and what runs on the servers deployed therein is used across the entire organization. Some of the main business problems it addresses are:

  • Data center size. With vCenter server, we were able to drastically reduce our data center footprint.
  • Data center power consumption. With vCenter server, we were able to drastically reduce our power consumption footprint.
  • Ease of server management. VMware vCenter server makes managing large numbers of servers easy.
  • Speed and efficiency. Our team is able to quickly deploy servers through vCenter.
  • Ease of server/application support. Features like snapshots, memory hot-add, and HA (high availability) make supporting servers, applications, and databases a breeze.
  • Ease of server backups. Server backups are easier with virtual servers.
  • The list goes on and on!!
  • Speed and efficiency. Our team is able to quickly deploy servers through vCenter. Things like cloning servers, deploying servers from templates, and even creating a VM from scratch is just a few clicks. You have a new VM up and running in a matter of minutes!
  • Ease of server/application support. Features like snapshots, memory hot-add, and HA (high availability) make supporting servers, applications, and databases a breeze. Taking a snapshot before a patch or upgrade can save hours if not days worth of time in the event of an issue or problem caused by said patch/upgrade. The ability to add "hardware" like RAM or hard drive space on the fly while the VM is running is like a server admin's dream. HA is a life saver! You can lose an entire physical host and your VM will be "magically" brought back online on another available host in the cluster. Though you have a short outage, your VM is back up and running before you can say "downtime".
  • Ease of server backups. Server backups are easier with virtual servers. There are many options as far as choices go for backing up VMs and with VMware vCenter server, it makes backing them up a breeze no matter your choice of backup flavor!
  • Ease of server management. VMware vCenter server makes managing large numbers of servers easy. Features like DRS (distributed resource scheduler) can allow you to balance your workloads for optimized performance. It can also allow you to give your resource intensive servers higher priority to those resources. Also, the ability to adjust many many many features on the fly with minimal to no service disruption is huge!
  • Pricing. However, you do get what you pay for, enterprise world class software. Alternatives (if you can call them that) like Hyper-V and Virtual Box are a sad comparison.
  • Learning curve. Disclaimer: any typical I.T. professional will be able to pick up VMware vCenter Server fairly quickly. However, there is just a wealth of features and configuration options that can be overwhelming to a newcomer.
  • Not many other cons. There is a reason VMware is the market leader in virtualization.
VMware vCenter Server is well suited for nearly all server infrastructures. It is potentially not well suited for environments where physical servers are a must, like in plant environments with special hardware. Also, very small environments may not see the benefit like bigger environments do. Regardless, the benefits and features would benefit even an environment as small as five servers!
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