What is our primary use case?
Our systems are primarily Windows-based, but a big portion of the organization also runs on AS/400. About 40% of our systems are AS/400.
We use Zerto to replicate data from a primary data center to a secondary data center. In the previous incarnation, we used Zerto to replicate our secondary data center and also Azure because we were looking to start moving more and more things to Azure. We were considering Azure to have someplace where we could run some of our critical systems in the event we did not have much capacity in the secondary data center or it just made sense to leverage Azure for a particular application.
How has it helped my organization?
Zerto’s near-synchronous replication works very well. Most of the time, our systems are running about three seconds behind the primary, which is something most people are not going to complain about. It also has the ability to take you back to a point in time where everything is in sync. You can start from that point and maybe lose a couple of transactions as opposed to a typical backup environment where you could lose hundreds of transactions as a result of an outage. It can help revert systems to a specific point in time, providing continuity where data loss is minimal compared to traditional backup solutions.
We saw the benefits of Zerto right away. It gave us the confidence that if something happened, we would be able to restore our data. A notable benefit is the ability to conduct failover testing in a virtual environment. We can confirm operations without affecting external users. The software audits its processes, offering detailed reports.
Zerto has also continued to upgrade features, including Secure Vault and tools for immutability, enhancing ransomware protection, but a hardware change is required to fully benefit from Zerto's ransomware solutions. We have to go with their hardware versus what we are running. We can take advantage of some of the things that they do to help with ransomware, but we cannot get all the way there without switching the hardware.
We use Zerto to protect virtual machines. Our RPOs have moved. Prior to Zerto, and at different places, we have used other solutions such as Pure Storage or IBM replication solutions. Most of these solutions tend to have an RPO of minutes or more, whereas, with Zerto, we are looking at an RPO of less than ten seconds or something like that. That was one of the big differences we saw. It is also an integrated solution. You move the entire environment as opposed to some of the other environments where you connect to the storage, and then the storage is doing the replication. At the point at which something fails, you have to reconnect servers back up to the right hardware before you can get started in recovery. With Zerto, your recovery time goes down, and your RPO becomes much better.
The recovery time or RTO is much better with Zerto if you have the right bandwidth and other things. If you have an issue with latency or bandwidth, you may see those RTO numbers go up a little bit. Generally, RTOs are much better.
We have not seen Zerto reducing downtime in any situation. We have not necessarily seen an improvement there.
In terms of time savings in a data recovery situation, we went through a ransomware event at the last company. I have seen Zerto help from a ransomware perspective because one of the things that Zerto does is it maintains a whole bunch of snapshots as it goes along. In a ransomware situation, you can go back to the time before you were hit by the ransomware. You can go back in time and recover those servers. You can scan them to make sure they do not have whatever malware was installed for the ransomware, and then you can recover.
Zerto has had a huge impact on our resiliency strategy. It allows us to be able to leverage our secondary data center for a major event. It also frees us up to do more things in the local environment such as leveraging SQL Always On.
Zerto has not helped us to reduce overall DR testing. We would like to do more testing with Zerto, but some folks are very comfortable with just Zerto saying everything is okay. On the other hand, Zerto has been able to help us increase our testing where we could not do it before. That does not mean that we are satisfied with where it is. We would like to do more with it.
What is most valuable?
I appreciate the real-time nature of Zerto. It continuously copies data, maintains synchronization, and allows rapid recovery of key systems. In most situations, the recovery delay is approximately six seconds, minimizing data loss. It gives us the ability to recover without losing a bunch of data.
Additionally, it facilitates migration between environments. We are in a business that does a lot of acquisitions and divestitures. That can be tiring, but Zerto makes our path smooth because we can use it to replicate something to another location and then bring it up there.
What needs improvement?
When it comes to failover tests, we would like to be able to take that extra step to shut things down and see what it looks like at the other site versus just doing it in a virtual environment. That is one thing I would push back on them. I would like the ability to perform actual failovers more easily compared to our current process. In the event of an issue, we can switch and bring back servers smoothly, but when we do the tests, currently, Zerto's test failovers are virtual. We cannot get end users to come access those systems. I would like to be able to do a test where we failover and rebuild the network connections so that end-users can hit that center or server and test. Improving testing capabilities would be advantageous.
When it comes to deployment, one improvement could be being able to visually see virtual private groups and server names. Although the reporting is comprehensive, occasionally, people use long names that do not display fully on the monitoring page. Despite this minor issue, deployment has been easy, and we rarely need support.
Buyer's Guide
HPE Zerto Software
August 2026
Learn what your peers think about HPE Zerto Software. Get advice and tips from experienced pros sharing their opinions. Updated: August 2026.
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For how long have I used the solution?
I initially explored Zerto around 2018. That was when I first became aware of it and initiated a pilot project. It was not until around 2023 that I began working in an organization actively using it.
What do I think about the stability of the solution?
I have not observed any instability. Occasionally, systems might run out of space, which is a common issue in any setup. However, the software alerts us effectively, allowing prompt resolution. Overall, I have not seen any stability issues with the system.
What do I think about the scalability of the solution?
I believe Zerto scales quite well. In our current environment, we manage around 200 servers, with licensing that supports up to 500. Scaling is largely about expanding compute and storage capacity. There are no significant barriers to scalability with Zerto.
How are customer service and support?
They have support, but we do not tend to need support from them. They have a lot of good material online to learn about the product. For the most part, it just runs and does not complain about anything.
I have not personally contacted technical support. In my previous organization, other team members, one of the four or five colleagues, reached out to tech support.
Which solution did I use previously and why did I switch?
I have used and explored several solutions, including Commvault and NetWorker. We have also used Rubrik, which effectively manages storage across data centers.
We constantly monitor available technologies to create strategies for using Zerto alongside others like Rubrik and NetWorker. We use Rubrik for certain things and NetWorker for other things, but without Zerto or any of the others, it would not work. Zerto's development aims to substitute some tools by enhancing functionality. They continue to work to add functionality that could then help us eliminate some of the other tools that we are using because we can get the same functionality out of Zerto.
How was the initial setup?
It is extremely easy to deploy. The deployment is straightforward. Once the virtual replication appliances are connected to the environment, the system is ready to start. After licensing, replication begins.
In this particular organization, it was deployed before I got here. At the previous organization, it took a few weeks or a month. We had to set things up and wait for some storage. We then rolled it out. The actual rollout was something that was done overnight, and it was relatively easy to do.
The maintenance that it requires includes upgrades to the latest version of the software. There might be features that you want that are not available in the current version. Overall, the system just runs itself, but you may get an alert that says that this particular system has gone out of bounds of its RPO. You can go in to find out the problem. You might need to add space to the journaling system so that it can get back up again.
What about the implementation team?
We had a team of probably four or five individuals handling the implementation.
What's my experience with pricing, setup cost, and licensing?
We have always been able to get the pricing worked out. At this new company I am right now, we are doing well. We sometimes go through a third party to help us with pricing, but Zerto is fairly decently priced, especially when you consider some of the other solutions that are out there which could be very expensive.
What other advice do I have?
I would rate Zerto a nine out of ten.
Which deployment model are you using for this solution?
On-premises
Disclosure: PeerSpot contacted the reviewer to collect the review and to validate authenticity. The reviewer was referred by the vendor, but the review is not subject to editing or approval by the vendor.