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This version of the product has entered Extended Support. You can switch to the latest version, or use the version selector in the left navigation.

Hardware and Software Requirements

Standard Support for Mule 4.2 ended on May 2, 2021, and this version of Mule will reach its End of Life on May 2, 2023, when Extended Support ends.

Deployments of new applications to CloudHub that use this version of Mule are no longer allowed. Only in-place updates to applications are permitted.

MuleSoft recommends that you upgrade to the latest version of Mule 4 that is in Standard Support so that your applications run with the latest fixes and security enhancements.

If you plan to install Mule and run it on premises, review these minimum hardware and software requirements before you install.

Minimum Hardware Requirements

  • 2 GHz CPU or 1 virtual CPU in virtualized environments.

  • 1 GB of RAM.

  • 4 GB of storage.

Adjust RAM to match your latency requirements and the size and number of simultaneous messages that applications process.

Required Software

Verify that you use a supported version of Java before you install Mule.

Software Version


JDK 1.8 or JDK 11

MuleSoft recommends using AdoptOpenJDK with the latest version of OpenJDK 8 (LTS) and the HotSpot JVM.

Supported Software

Mule runs on any operating systems that runs a supported Java Runtime Environment (JRE). The Mule runtime engine passed functional testing against the following software and operating systems:




MacOS 10.14, HP-UX 11i V3, AIX 7.2, Windows Server 2019, Windows 10, Solaris 11.3, RHEL 7, Ubuntu Server 18.04


JDK 1.8.0, JDK 11

Mule might work with other software and operating systems, but those have not been tested. MuleSoft recommends that you run Mule on tested software and operating systems versions.

This version of Mule Runtime is bundled with the Runtime Manager agent plugin version 2.3.0. For Runtime Manager Agent compatibility, see Runtime Manager Agent Release Notes.

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