About us

Always On. Always Secure. Without Limits.

DH2i helps organizations eliminate SQL Server downtime and securely connect critical systems across any environment. Our software delivers high availability clustering and secure connectivity for today’s hybrid and multi-cloud world. We enable native or containerized applications to run seamlessly across any mix of on-prem, virtual, cloud, or edge infrastructure while ensuring peak resiliency and simplifing operations.

Network security solutions to unlock zero trust network architecture

What Makes DH2i Software Different

Most high availability solutions are limited by platforms, infrastructure, and other environmental dependencies.

DH2i is not.

DxEnterprise, our core smart high availability software, provides fully automatic failover across any mix of hybrid or multi-cloud infrastructure. You can cluster all of your SQL Server one way, the same way, whether it’s deployed on Windows, Linux, or containerized in Kubernetes.

That means:

No platform lock-in
No need to standardize on a single OS
No barriers between traditional and cloud-native infrastructure

It’s a fundamentally different approach to high availability, built for how modern environments actually operate.

How We Got Started

DH2i was founded in 2010 by Don Boxley Jr. (CEO) and OJ Ngo (CTO), entrepreneurs with a history of building high availability solutions optimized for Microsoft SQL Server.

After working together on HP’s PolyServe clustering solution, they saw a gap: existing high availability solutions were too rigid, too complex, and not built for the future.

So, they built something different.

Today, DH2i continues to innovate in the high availability and network security space—helping organizations bridge the gap between traditional infrastructure and modern, cloud-native environments.

Don Boxley

Chief Executive Officer

Don Boxley, Chief Executive Officer

Don Boxley Jr is a DH2i co-founder and CEO. Prior to DH2i, Don spent more than 20 years in management positions for leading technology companies, including Hewlett-Packard, CoCreate Software, Iomega and Colorado Memory Systems.

Don earned his MBA from the Johnson School of Management, Cornell University.

OJ Ngo

Chief Technology Officer

OJ Ngo, Chief Technology Officer

Thanh “OJ” Ngo is a co-founder of DH2i Company and is the principal architect for its core technology. OJ is a veteran technologist with over twenty years of experience in software design and development. Prior to DH2i, OJ was a software architect for Hewlett-Packard working on Windows software solutions. OJ was a software architect at PolyServe Inc., where he was responsible for the design of the Solution Pack for Microsoft SQL Server. OJ was a Microsoft SQL Server MVP 2002-2008.

OJ earned his degree in chemical engineering from Oregon State University.

Who We Serve

DH2i high availability solutions and software-defined perimeter technology is trusted by organizations worldwide running mission-critical systems across industries such as financial services, healthcare, government, manufacturing, legal, and insurance.

Our customers rely on us for SQL Server optimizations where downtime is not an option and security is essential

The City of Aurora in Colorado uses DH2i software to help ensure high availability for their SQL Server environment and critical city services.

What Experts and Customers are Saying

Analysts, media outlets, and IT experts recognize DH2i for helping organizations simplify SQL Server high availability, disaster recovery, and secure database connectivity across Windows, Linux, and Kubernetes.

As modern enterprises move beyond traditional infrastructure models to hybrid and multi-cloud environments, DH2i’s smart availability clustering software and network security solutions continue to earn attention for reducing downtime, improving resilience, and simplifying critical database management.

5 star comment – Every time we deal with DH2i on support issues your team is quick and has resolved issues. What a great product that does not need much support and when it does, backed by a great support!

Paul Heiner

DBA, Asante Health System

DH2i’s DxEnterprise offers application-level HA which seeks to reduce the time and cost for such solutions.

Gary Chen

Research Manager, Software Defined Compute, IDC

The major changes being driven by advancements such as IoT, edge computing, mobile, and cloud are creating conflicting demands for secure connectivity. The traditional ‘Castle & Moat VPN drawbridge’ security model was not designed to meet those demands.

About Us