About this release This document contains important information about the current release. We recommend that you read the whole document. Version support McAfee® Threat Intelligence Exchange (TIE) server 1.2.1 and 1.3.0 reached their End of Life (EOL) on December 31, 2017, and on August 15, 2018. McAfee® Threat Intelligence Exchange (TIE) 2.0 and 2.1 will reach their End of Life (EOL) on December 17, 2019. We recommend upgrading to the latest version of TIE server to benefit from the newest software developments, and to avoid interruption of product support. See KB89670 for details. The McAfee EOL product list and policy is available at https://www.mcafee.com/us/support/support-eol.aspx. Upgrade support We don't support the automatic upgrade of a pre-release software version. To upgrade to a production release of the software, you must first uninstall the existing version. Purpose This release was developed for use with: McAfee® ePolicy Orchestrator® (McAfee® ePO™) 5.3.x on-premise or later. McAfee® Data Exchange Layer (DXL) 2.0.0 or later. For versions older than 2.1.0 (not including 2.1.0), see the product documentation for McAfee® Data Exchange Layer (DXL) for details about upgrading the client version. Important: If you activate the McAfee® Active Response service, you must use DXL Broker 126.96.36.199 or later. McAfee® Threat Intelligence Exchange (TIE) server 2.0.x or later, for direct upgrade. McAfee® Active Response 2.4.0 for simplified deployment. Rating — High Priority Mandatory Critical High Priority Recommended High priority for all environments. Failure to apply a High Priority update might result in potential business impact. Most patches and hotfixes are considered High Priority. For more information, see KB51560.