This version of the operating system can be used only for testing and development, including multiple network virtualization capabilities. Solaris 11 Express Oracle release - version of the Unix operating system for developers and also the preview for the upcoming release of Solaris 11 in 2011. Solaris 11 Express has improved availability features help reduce system downtime by half the plan, Oracle said. Startup time is reduced to tens of seconds. This version also adds more network virtualization; integration with the portal's online support Oracle, and other improvements to the ZFS file system.

According to Oracle, it has binary compatibility with over 11,000 applications were developed by third parties. Solaris 11 Express to give the system administrator to change some settings, patches, applications, and provides many other areas, according to Oracle. The company is providing a range of resources to help the transition. Also scheduled will be a webcast (media files are distributed simultaneously to many people over the Internet, using streaming technology - play continuously) took place. This version can not be used in the production environment, trade under the terms of the development permit.