Server Management Solution


NEC's unified middleware EXPRESSCLUSTER X is a family of integrated High Availability (HA) and Disaster Recovery (DR) software providing wide range of solutions enabling fast recovery and continuous protection of critical applications and data.


EXPRESSCLUSTER X 3.2 Release on February 19, 2014New

NEC releases EXPRESSCLUSTER X 3.2 on Februay 19, 2014. EXPRESSCLUSTER X 3.2 expands supported hypervisor for non-disruptive failover by collaborating with live migration, and also supports new OS such as Windows Server 2012 R2 as well as Linux OS.

Latest IDC White Paper Published (IDC White Paper : #202991_EN)


The latest IDC White Paper " New Potential for High-Availability Solutions Identified from Market Growth and Best Practices: Growth Picks up for Business Continuity, Cloud, and Emerging Economies " (#202991_EN) was published.

APAC No.1 Market Share in 2012!


EXPRESSCLUSTER X achieved No.1 market share for 4 straight years from 2009 through 2012 (*1) in the Availability and Clustering Software market for the Asia Pacific region.

(*1 source : June 2013 “Japan System Software 2013-2017 Forecast and 2012 Analysis” (J13310103), August 2013 “Asia/Pacific (Excluding Japan) Availability and Clustering Software Market Analysis and Forecast Update” (AP2670321U)

Find your partnership!


EXPRESSCLUSTER X, APAC's NO. 1 software in high availability and clustering market, is expanding sales channels with partners, independent of any platform and within all regions. Please find the appropriate partnership forms here (ISVs, SIs, VARs, OEM partners, Cloud business operators).


NEC EXPRESSCLUSTER X delivers clear advantages in performance, usability and cost of ownership for various environments. The quality of the product is proven with over 10,000 deployments worldwide.

Fast and automatic system recovery, and real-time data protection.
Unified management of all protected applications and data stores, with easy server workload migration requiring no client reconfiguration.
Standard OS and application support, low-bandwidth network, and active-active configuration support. EXPRESSCLUSTER X supports industry standard database, email, transactional and virtualization servers.:


EXPRESSCLUSTER can enable up to 99.99% up time for business applications.

The product family has been continuously enhanced to meet stringent Japanese and global market requirements since its initial release in 1996.

Covering wide range of applications as well as firm support for the latest virtualization technology, EXPRESSCLUSTER is the market leader with No.1 market share in the Japanese market since last 4 years and counting. (*)

* Source: IDC Japan, Nov. 2008 "Japan HA Clustering Software 2008-2012 Forecast and 2007 Analysis" (J9360101)


EXPRESSCLUSTER is a scalable High Availability (HA) clustering solution. It can cluster up to 32 nodes and supports your IT system environment with host of flexible functions.

EXPRESSCLUSTER is well fit with complex LAN and WAN environment, comprising of physical and virtual servers as well as multiple cluster configuration.

Almost any application/database running on Windows or Linux platforms can be protected and covered by EXPRESSCLUSTER.


EXPRESSCLUSTER is designed to support latest technologies. EXPRESSCLUSTER is one of the first software to demonstrate clustering on Microsoft Hyper-V Platform. It also supports other standard virtualization platforms like VMWare Server/ESX and Xen.

EXPRESSCLUSTER is the first clustering software to implement Hybrid Clustering, i.e. mirroring of data in a shared disk for both LAN and WAN Environments.

In order to respond to the environmental issues, EXPRESSCLUSTER also provides power management functions to enable Green IT systems.

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