CRX 2.3 Documentation

You are reading the CRX 2.3 version of CRX 2.3 Documentation.
This version has reached End of core support. For further details see our technical support periods.
This documentation is also available for the following versions:  CRX 2.3  CRX 2.2  CRX 2.1  CRX 2.0 (for CQ 5.3) 


This documentation includes information on installing, administering, using and developing with CRX 2.3.

CRX 2.3 content repository is a data storage system designed for content-centric applications, implementing the Content Repository API for Java Technology (JCR 2.0).

New in CRX 2.3

  • New internal architecture for simplified deployment, operations, and upgrades
  • The whole CRX product is now run inside the bundled OSGi container
  • CRX repository is now an OSGi service, simplifying deployment, extending and upgrading of the repository modules
  • Monitoring and remote management of CRX is now possible via the standard JMX protocol
  • Unified Package Manager for CRX and all CQ application available in CRX
  • Management UIs (like clustering or backup) based on the JMX services and implemented in jQuery Mobile
  • CQ Replication module has been moved to Granite (CRX) and is now available to all the applications running on CRX

See the Release Notes for detailed information on what is new in this version of CRX.


Related Documentation

Exploring CRX

Introduction to JCR and CRX
Provides information about what CRX is, what the JCR standard is, and the differences between CRX and file systems and databases.

Find your way around in CRX
Provides an overview of the CRX web user interface, so you can find your way around quickly.

Getting Started for Developers
An introduction to the basics using a (simple) Blog as a development example.

Watch the Web Development Screencast
The screencast walks you through the main product modules and the "CRX Bookstore" example, an open source application illustrating the main aspects of web application development on the CRX platform.

Check out the CRX Bookstore Example
Click the Develop button on the Welcome screen and checkout the bookstore example application from a public subversion repository. Explore it's functionality and experiment by changing or extending the application.

Download and Start Working
Get up and running in no time using the CRX quickstart.

Setting up access rights
Provides detailed instructions on how to set up users, groups and their access rights to resources.

Answers to some Frequently Asked Questions.

Deploying CRX

Using CRX

Administering CRX

Security and Access Rights

Provides instructions on how to set up access rights and permissions to pages and users. Also describes how to manage passwords.


What you need to know about working with workspaces, including troubleshooting and setting up workspaces.


To ensure full security of your installation you will need to perform regular maintenance like backing up the software and the repository.

Persistence Managers

The persistence manager saves the repository content to a permanent storage solution that needs to be configured.


What you need to know about configuring LDAP authentication for the CRX application, including examples.


Provides information on evaluating and increasing CRX performance, which includes high availability, load balancing, and scalability.

Developing on CRX

Related Documentation


Some content in the documentation may appear in English.

AEM Releases

AEM provides a complete suite of applications that enable organizations to optimize their online communications. All release documentation, including legacy documentation, is available.

CRX Releases

CRX is a commercially packaged version of the Apache Jackrabbit and Sling open source projects and a powerful web application development solution. Find release documentation here.

JCR Connectors

All Adobe JCR Connectors expose content via the standard JCR interface, enabling applications to access content that resides in a proprietary repository in a standardized manner.

AEM Basic

Adobe Experience Manager is a core product of the Adobe Marketing Cloud.

AEM Standard

Adobe Experience Manager Standard edition extends the functionality available. It includes digital asset management and has more capabilities than Basic.

It includes everything in AEM Basic plus:


AEM can be combined with several add-on product modules. These modules enhance the performance of the infrastructure, make complex systems easier to manage and enable our products to run in specific environments.


Need more resources? Download applications. Search the product knowledge bases for answers. Browse Day's web site for the most up-to-date product and company information.


Welcome to the Help and support community for Adobe Experience Manager — one of the five Marketing Cloud solutions. Find tips, tricks, and solutions to common issues. Follow community professionals, and join vibrant discussions in our forums.

Training & Support

Become a AEM or CRX expert with our high-quality training. Get formal support from us. These resources will get you started.