Requirements and support information
Supported platform information, full-test stack descriptions, as well as hardware and software requirements for the 22.04 release are listed below.
Software and hardware mentioned below may have their own additional requirements.
Server and database requirements
NexJ Customer Relationship Management is designed to work with a variety of operating systems, databases, and servers.
Each release of the product is tested across a number of configurations of specific versions of each platform. Some specific stacks act as the key environments for our core testing, and may change from release to release.
IBM WebSphere Application Server and IBM HTTP Server are supported only for existing installations. New installations of NexJ CRM should make use of NexJ Model Server.
NexJ Model Engine is designed to work with the following operating systems, databases, and servers.
- Windows Server
- Red Hat Enterprise Linux
- Microsoft Windows
- NexJ Model Server
IBM WebSphere Application Server
- Apache HTTP Server
- IBM HTTP Server (IHS)
- Microsoft Internet Information Services (IIS)
- Microsoft SQL Server
Email and calendaring servers
- Microsoft Exchange Server
Tested systems, servers, and databases
Testing of NexJ Customer Relationship Management makes use of the following versions of operating systems, application servers, web servers, and databases.
- CentOS 6.7
- CentOS 7
- NexJ Model Server 22.04
IBM WebSphere Application Server 8.5.5 (fix packs 12, and 14-18)
IBM WebSphere Application Server 8.5.5 fix pack 13 is not supported.
WebSphere Application Server version 8.5.5 fix pack 18 is not compatible with JasperReports Server. Applicable clients should continue to use WebSphere 8.5.5 fix pack 14.
- Apache HTTP Server 2.4.6
- IBM HTTP Server 8.5.5
- Microsoft SQL Server 2012
- Microsoft SQL Server 2016
- Microsoft SQL Server 2017
- Microsoft SQL Server 2019
- Oracle 11g
- Oracle 12c
- Oracle 19c
Microsoft Exchange servers
- Exchange Server 2013
- Exchange Server 2016
- Exchange Online
Core test stacks
The following stacks formed the core test environments for NexJ CRM 22.04.
Each row of the following table represents a single core testing stack used during the development and test cycle of version 22.04. Where applicable, additional version details are provided following the table.
|Application server||Web server||Database||Java|
|NexJ Model Server||Apache/2.4.6||Oracle 19c||JDK 11|
|NexJ Model Server||Apache/2.4.6||Oracle 11g R2||JDK 8|
|WebSphere 220.127.116.11||IHS 8.5.5||Oracle 11g R2||JDK 8|
|WebSphere 18.104.22.168||IHS 8.5.5||MSSQL 2017||JDK 8|
|NexJ Model Server||Apache 2.4.6||MSSQL 2016||JDK 11|
Application server details
The following list provides additional information for the application server entries in the table above.
IBM WebSphere Application Server 22.214.171.124 is listed, but 126.96.36.199 and later versions in the 8.5.5.x series are also supported. Version 188.8.131.52 is not supported.
NexJ Model Server
Every release of NexJ CRM includes the version of NexJ Model Server that should be used alongside it.
Web server details
The following list provides additional information for the web servers entries in the table above.
Apache HTTP Server 2.4.6
The following list provides additional product names and version information for the database entries in the table above.
Oracle Database 11g (184.108.40.206.0)
Oracle Database 12c (220.127.116.11.0)
Oracle Database 19c (18.104.22.168.0)
Microsoft SQL Server 2016 (13.0.4259.0)
Microsoft SQL Server 2017 (14.0.3025.34)
Microsoft SQL Server 2019 (15.0.2000.5)
The following list provides the additional product names and version information for the Java entries in the table above.
IBM SDK, Java Technology Edition, Version 8
NexJ Model Server
Java SE Development Kit 8 (JDK 8)
Java SE Development Kit 11 (JDK 11)
Required database drivers
NexJ Customer Relationship Management uses various drivers to communicate with its supported databases. To ensure successful communication with your databases, use the driver versions below when you deploy NexJ Customer Relationship Management.
Database servers for deployment and data integration
Microsoft SQL Server
To run on or integrate with Microsoft SQL Server databases, you should use the
jtds-1.2.2-9.jar driver located in the
%NEXJ_PLUGIN%\ext folder. For example, if you install NexJ Studio in
C:\nexj_studio\13.x, the driver will be in
To run on or integrate with Oracle databases, your database administrator should contact NexJ in order to get information on the specific driver version and patches required for your installation.
Database servers for data integration only
To integrate with MySQL data sources, you should use the
mysql-connector-java-version driver provided with your MySQL distribution.
To integrate with PostgreSQL data sources, you should use the
postgresql-version.jdbc.jar driver provided with your PostgreSQL distribution.
NexJ client requirements
The following topics provide the hardware and software requirements for accessing NexJ CRM from various client devices.
NexJ CRM end user system requirements (desktop)
To run a NexJ application client such as NexJ CRM, the end user's computer must meet the following requirements.
Minimum required workstation specifications
Intel Core 2 Duo 2.33GHz
4 GB RAM
1280 x 1024
Additional software requirements
The following additional software is required in order to make use of specific supplementary functions and features:
- A PDF viewer application, such as Adobe Reader, to view PDF documents and to generate attachment previews.
- Microsoft Office to view Microsoft supported documents.
- Microsoft Outlook desktop version to use NexJ Outlook Add-In feature included with NexJ Add-In for Microsoft Office.
- Microsoft Word desktop version to generate and edit documents for use with the NexJ Mail Merge feature included with NexJ Add-In for Microsoft Office.
Recommended workstation specifications
Intel Core i5 or Intel Core i7
6 GB RAM or higher
- 1920 x 1080 (desktop)
- 1600 x 900 (laptop)
For optimal NexJ CRM performance and appearance, use the following recommended configuration:
- Set Windows display resolution to 96 DPI (100%)
- Set your browser zoom level to 100%
Other display configurations may not be supported.
- Google Chrome (100.0.4896.127)
- Microsoft Edge (100.0.1185.29)
Microsoft Internet Explorer 11
Internet Explorer 11 is supported only for existing on-premise installations, and not for Cloud-deployed environments.
To access the classic UI, use Google Chrome or Microsoft Internet Explorer.
NexJ CRM end user system requirements (mobile)
NexJ CRM supports the following mobile configurations.
Tested smartphone specifications
- Apple iPhones running Apple iOS. The following iOS versions are supported:
- iOS 12.X
- iOS 13.X
- iOS 14.X
- Apple Safari - supported only on iOS devices
NexJ Studio hardware and software requirements
Your system must meet the following requirements to be able to install and use NexJ Studio.
- Microsoft Windows 10
The 64-bit version of the Microsoft Windows operating system is recommended.
Minimum hardware requirements
- 12 GB RAM (16 GB or higher recommended)
- 2 GB free disk space for each workspace
- Java SE Development Kit 8 (JDK 8 and JRE 8)
- Jave SE Development Kit 11 (JDK 11 and JRE 11)
You must use either JSE 8 or JSE 11. You cannot use a mix of the two in a single install. If you are upgrading from version 8 to version 11 or later, see Upgrading to NexJ CRM version 22.04 for information regarding mandatory keystore upgrades.
NexJ Data Mapping Tool minimum requirements
Your system must meet the following requirements to use the NexJ Data Mapping Tool.
Minimum Software Requirements
- Microsoft Windows XP
- Microsoft .NET Framework 3.5
Some additional Microsoft software patches may be required depending upon your environment.