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Pros & Cons summary

Buyer's Guide

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Prominent pros & cons

PROS

KVM offers a scalable and high-availability environment, making it suitable for various virtualization needs.
KVM's integration with Kronos is direct and efficient, ensuring smooth operation without intermediary communication.
KVM provides a rich set of command-line options and supports various operating systems with minimal configuration.
As an open-source platform, KVM is flexible, powerful, and more cost-effective than other enterprise solutions.
KVM ensures stable performance with reasonable overhead, making it suitable for large-scale virtualization.

CONS

Technical support is not very responsive, lacking in quality compared to other products.
Scalability is an issue, particularly concerning resizing VM disk dimensions and storage space clarity.
Disaster recovery features are inadequate compared to other solutions.
KVM lacks high availability across clusters and a comprehensive ecosystem compared to VMware.
Performance monitoring and management, especially in a centralized manner, needs significant improvement.
 

KVM Pros review quotes

BB
Chief Technology Officer at a manufacturing company with 11-50 employees
Nov 29, 2024
KVM has benefited our organization by enabling us to assess different virtualization solutions with reduced latency, which is crucial for guaranteeing the reliability and real-time performance of our communication systems.
Lan Tuong - PeerSpot reviewer
Technology and System Infrastructure Architect / Senior Technical Support at TELUS Communications Inc.
Jul 17, 2024
The built-in management console, Auto KVM, is the most valuable tool for managing our virtual environments. We use it most to create and fire up new VMs or clone them for customers based on requests.
MP
CTO at DPD south AFrica
Apr 1, 2024
The performance is great.
Learn what your peers think about KVM. Get advice and tips from experienced pros sharing their opinions. Updated: April 2026.
893,164 professionals have used our research since 2012.
Christophe JOBARD - PeerSpot reviewer
President at Direction GRID SAS
May 22, 2023
The product's scalability is good...It's a very stable product.
Rohail Aslam - PeerSpot reviewer
DevOps Engineer at a computer software company with 201-500 employees
Mar 4, 2024
One of the best features of KVM is its user-friendly interface.
AshutoshKumar4 - PeerSpot reviewer
Quality Engineer at KML
May 23, 2023
The product is really good...One can get good performance because of kernel-based virtualization.
DK
CEO at iSolute Ltd
Nov 29, 2023
The most valuable feature of KVM is its stability.
reviewer1977888 - PeerSpot reviewer
Co-Owner at a manufacturing company with 51-200 employees
Mar 9, 2023
It offers a high-availability environment.
reviewer1453941 - PeerSpot reviewer
Virtualization and Cloud Solutions Architect at a university with 10,001+ employees
Jan 31, 2023
What I like most about KVM is that it's very easy to use. Everything is built-in, even when writing command lines.
GN
Business Engineer and Consultant at All-Tech
Aug 29, 2022
The most helpful aspect of KVM is the fact that the interface is so minimal. It includes just what you need to set up the VMs and manage them, and it's very simple to do so.
 

KVM Cons review quotes

BB
Chief Technology Officer at a manufacturing company with 11-50 employees
Nov 29, 2024
Although KVM meets our expectations, it can be somewhat fragmented with numerous management tools available, making it difficult to determine which tool to use.
Lan Tuong - PeerSpot reviewer
Technology and System Infrastructure Architect / Senior Technical Support at TELUS Communications Inc.
Jul 17, 2024
I think the management console has room for improvement. It could be more straightforward and user-friendly, like VMware's Console Management. This would make it easier for system admins to use and reduce training needs.
MP
CTO at DPD south AFrica
Apr 1, 2024
The product must provide better performance monitoring features.
Learn what your peers think about KVM. Get advice and tips from experienced pros sharing their opinions. Updated: April 2026.
893,164 professionals have used our research since 2012.
Christophe JOBARD - PeerSpot reviewer
President at Direction GRID SAS
May 22, 2023
The main drawback in the solution is probably disaster recovery.
Rohail Aslam - PeerSpot reviewer
DevOps Engineer at a computer software company with 201-500 employees
Mar 4, 2024
I would like to see more focus on microservices and integration with Kubernetes or OpenShift.
AshutoshKumar4 - PeerSpot reviewer
Quality Engineer at KML
May 23, 2023
We are not getting good support from KVM, and it is not that user-friendly.
DK
CEO at iSolute Ltd
Nov 29, 2023
The solution’s user interface could be improved and made more user-friendly.
reviewer1977888 - PeerSpot reviewer
Co-Owner at a manufacturing company with 51-200 employees
Mar 9, 2023
Some things are pretty basic, and they could be more robust with more detail.
reviewer1453941 - PeerSpot reviewer
Virtualization and Cloud Solutions Architect at a university with 10,001+ employees
Jan 31, 2023
The grid interface of KVM needs improvement. It could be more beautiful, especially when compared to VMware.
GN
Business Engineer and Consultant at All-Tech
Aug 29, 2022
One problem I have is that it's not very scalable when it comes to resizing the VM disk dimensions. For example, if you have initially set a virtual drive to 10 GB and you want to upgrade it to 15 GB, it's not that easy.