Azure Virtual Machines vs. Oracle VirtualBox vs. Parallels Desktop for Mac

If you want to host a dedicated Windows server on the cloud, and especially if you want to integrate it with your on premises Active Directory, Azure Virtual Machines should be your first choice. Obviously running Linux on Azure works very well too, but given Azure's pricing is not the cheapest, there are other providers out there that have a better cost-benefit ratio for Linux. That said, hosting Windows on Azure can be affordable (especially when compared to other providers) if you plan your licensing, topology, and application architecture correctly.

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It is best suited when you want to have different operating systems on your laptop or desktop. You can easily switch between operating systems without the need to uninstall one. In another scenario, if you expect some application to damage your device, it would be best to run the application on the VM such that the damage can only be done to the virtual machine. It is less appropriate when time synchronization is very important. At times the VMs run their own times differently from the host time and this may cause some losses if what you doing is critical. Another important thing to take note of is the licensing of the application you want to run your VM. Some licenses do not allow the applications to be run on virtual servers so it is not appropriate to use the VM at this time.

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Parallels is great for an end user that is primarily a macOS user, but occasionally needs Windows access to a specific application or service that is Windows only, or Windows primarily. It obviates the need for multiple desktop units or remote VMs where spin up time is an issue. It is not quite perfect due to the ARM version of Windows requirement, but that particular case is common to all ARM use of Windows.

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• When demand is high, we scale the service out, eg During a Football Match.
• When a football match is over and the throughput of data from OPTA drops we save by the service scaling back in.
• Our App Service Plans along with the Clean C# code are lightening fast giving a good customer experience.
• When producing the TV Guide information and a program overruns its scheduled time, a client can instantly be updated to the new programming schedule as our change is instant and its in the right place for all the clients to download and adjust their television guides appropriately to send out to the public giving a 24x7 uptime service that is precise and accurate and resilient to outages due to failover zones around the world.

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• It is simple to install - there is no advanced knowledge required to begin building virtual computers
• It is easy to use - adding new virtual machines is simple with wizard-based deployment
• It enables easy portability - moving virtual machines from one host to another is straight-forward and simple
• It is free

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• The configurations & space allocations can be done on parallels.
• It integrates very well with the Mac; copying/pasting and sharing files can be done between the two platforms - Windows/Mac.
• It supports virtual machines, Touch-ID (which works on Mac and will work on Windows, too), and bridges the gap between two operating systems.

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• Pricing can be a concern if you are truly agnostic to which cloud you are building your particular solution in.
• The UI, as is the case with any cloud provider, is crowded.
• As with any cloud provider, it can be difficult to tune in exactly the right amount of servers for your needs...you might find yourself under/overprovisioning.

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• I have had issues in the past when it has come to resizing VM disk storage. The issue is entirely detailed here: https://www.virtualbox.org/ticket/9103 -- the problem was caused because of having existing snapshots (which error message output was not detailing). I haven't had to deal with the issue due to my dynamic disk sizes not being small from the start anymore (this is mostly an issue for my Windows VMs where the base disk may need significant size for the OS). It looks like, for a resize, that a merge of all snapshots has to occur first -- one user on that list details a workaround to maintain snapshots by cloning the VM. (Note: 5.2 was just released a few weeks ago, and looks like it should prevent the problem happening in the future by properly informing users that it isn't possible with snapshots).
• Certain scenarios, like resizing disks, required dropping into a terminal as there were no options to previously do so via the GUI. According to some recent posts, I've seen that v5.2 has added disk management stuff like that to the GUI (or will be adding it). I'm comfortable with dropping into the terminal, but in a teaching scenario or when evaluating the learnability of the tools, it complicates things.

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• Having to buy a new upgrade whenever Apple updates the OS with its yearly releases seems a bit excessive.
• The integration features between Windows and Mac are enabled by default, which can clutter both sides; I would rather it was not default.

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I give this rating because virtual box is inexpensive but there is another product such as vm ware that can also be used

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Users are familiar with the application which will keep us going for a little while. However since we are seeing a decline for a need for the software, I wouldn't be surprised to find that this answer changes dramatically in the near future. We would probably keep it to some extent, but we would probably reduce our licensing count.

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No VM console, weak management interface, changing CPU/memory is not straightforward. On the positive side, basic RDP functionality is good to have. As long as things are working, the ability to host Windows VMs is appreciated.

I love using the Graphical User Interface. The VirtualBox Manager is very easy to understand and use. You can quickly create, configure and manage all your virtual machines in one window. It makes operating virtual machines easy and simple. When using VBoxManage it gives the user comprehensive control over VirtualBox so that you can use automation and scripting at the command-line interface

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It has a good integration, including the connection of peripherals. Taking files back and forth works well and I can attach my Home drive as a network drive in Windows. There is even integration with iCloud and other macOS services. There are also a few different display modes which are useful and fleixible (coherence, windowed, full-screen with multiple screens)

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Dependency on the Host OS means it is as reliable as it is possible to be. Application errors are beyond the purview of the application.

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No issues, especially with the extensions addons.

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I give the overall support for Azure Virtual Machines a 7 because I think while the overall support do a great job there are still areas that it could improve on such as efficiency and speed. So while I only give it a 7 and it has some issues it is still better than the overall support at Amazon EC2 Auto Scaling.

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Oracle have a very fast response rate and a strong user community. One can geet help from many sources if they choose to research for themselves.

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The Parallels documentation and support websites are great. I have not had much use for them, but a cursory check shows richly documented features aimed at both the layperson and the power user or software developer. Their website is well-designed and information is easy to find, and their list of known issues as well as bugfixes on point releases is clear and transparent. They aren't trying to hide any of the limitations of their software, and seem to be regularly updating it to fix new bugs that arise with Mac OS X updates.

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We really enjoy using virtual box. We do not require to buy expensive hardware but instead we can minimize costs and maximize profits.

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The only advice I can provide is think about who is using the product and build the image based on the true needs of the user.

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Azure Virtual Machines offer unparalleled flexibility in provisioning, managing and upgrading the VM instances, both manually and programmatically. AVM offer very granular billing options and enables high costs optimisations (while still being costly). The other competitors I mentioned are very good at offering dead-cheap VMs. But if you need anything beyond that, especially for big computing, you need Azure Virtual Machines.

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VirutalBox is very similar to using Vmware with the slight difference in appearance and what might be considered a less polished look. However, what it lacks in polish and looks it makes up for in functionality, easy of use and the wide range of operating systems and features it supports without the need of buying the full professional edition

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Main two features that made the balance decission go to the Parallels Desktop were the possibility to pause the Windows partition easily (allowing to consume less resources in Mac and save battery) and the other one is the user interface feature called "Coherence" with allows you to show the Windows application windows as if they were native to the macOS, allowing for a better user experience.

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The only problem I have found is that the deployment is dependent and intrinsically linked to the Host OS. This is different from bare metal solutions which remove that dependency on a Host OS. The latter is more reliable and removes a layer of potential failure.

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• It's so easy to spin up new instances, that it becomes also to easy to have to many of them to manage. Many teams end up with a couple of hundreds of VMs after a short while, making the whole thing very hard to maneuver
• Azure VMs are the next step for us to rely on Onprem servers, and leaving the management of the infrastructure to the professionals
• The ease of use, is also important when our main focus is to deliver new applications and integrations fast, and not having to worry about infrastructure. We sell bottles, not CPUs

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• Minimal-to-no support needed from the DevOps team.
• Provides a direct and an easy way to access multiple VMs inside the same machines which enables performing various testing and QA tasks without the need to switch hardware.
• Automatic provisioning using tools (esp. Vagrant) which enables developing a base image once, and allows for exporting/importing anywhere across the developers team.
• Very cost-effective (no fees or monthly subscriptions).

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• Saves money on having to buy a Windows and MacBook, as the MacBook can run almost 99% of all Windows software and usually run it faster and share between your MacBook transparently.
• Gives employers the most flexibility with regards to which OS to adopt across an enterprise
• We are a media company and everyone uses Macs in our industry, Fortune 500 companies also use Windows and MS Project, Parallels gives you the most flexibility for almost all of these use cases
• Improves efficiency as the MacBook Pro M3 systems are much faster than some of the fastest corporate issued Windows laptops. What takes me 3-10 seconds for a video export can take 5 minutes on a similar Windows laptop

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