Before you run the upgrade, review the following prerequisites.

System Configuration Requirements

Verify that the following prerequisites are finished before you begin an upgrade.

  • Verify that all appliances and servers that are part of your deployment meet the system requirements for the latest version. See the vRealize Automation Support Matrix at https://www.vmware.com/support/pubs/vcac-pubs.html.

  • Consult the VMware Product Interoperability Matrix on the VMware Web site for information about compatibility with other VMware products.

  • Verify that the vRealize Automation you are upgrading from is in stable working condition. Correct any problems before upgrading.

Hardware Configuration Requirements

Verify that the following prerequisites are finished before you begin an upgrade.

  • You must have at least 18 GB RAM, 4 CPUs, Disk1 = 50 GB, Disk3=25 GB, and Disk4=50 GB before you run the upgrade.

    If the virtual machine is on vCloud Networking and Security, you might need to allocate more RAM space.

    Although general support for VMware vCloud ® Networking and Security ™ 5.5.x (vCNS) ended in September 2016, the VCNS custom properties continue to be valid for VMware NSX ™ purposes. See the VMware Knowledge Base article End of Availability and End of General Support for VMware vCloud Networking and Security 5.5.x (2144733) at http://kb.vmware.com/kb/2144733 for more information.

  • Your primary IaaS Web site, Microsoft SQL database, and Model Manager node must have the Microsoft .NET Framework 4.5.2 version and at least 5 GB of free disk space.

  • Your primary IaaS Web site, Microsoft SQL database, and Model Manager node must have JAVA SE Runtime Environment 8, 64bits, update 91 or higher installed. After you install Java, you must set the environment variable, JAVA_HOME, to the new version on each server node.

  • You must have at least 5.3 GB of free disk space on the root partition of each vRealize Automation appliance to download and run the upgrade.

  • Check the /storage/log subfolder and remove any older archived ZIP files to clean up space.

General Prerequisites

Verify that the following prerequisites are finished before you begin an upgrade.

  • You have access to all databases and all load balancers impacted by or participating in the vRealize Automation upgrade.

  • You make the system unavailable to users while you perform the upgrade.

  • You disable any applications that query vRealize Automation.

  • Verify that Microsoft Distributed Transaction Coordinator (MSDTC) is enabled on all vRealize Automation and associated SQL servers. For instructions, see the VMware Knowledge Base article Various tasks fail after upgrading or migrating to VMware vCloud Automation Center (vCAC) 6.1.x (2089503) at http://kb.vmware.com/kb/2089503.

  • If you are upgrading a distributed environment configured with an embedded PostgreSQL database, examine the files in the pgdata directory on the master host before you upgrade the replica hosts. Navigate to the PostgreSQL data folder on the master host at /var/vmware/vpostgres/current/pgdata/. Close any opened files in the pgdata directory and remove any files with a .swp suffix.

  • If you installed a Common Components Catalog component, you must uninstall it before you upgrade. For information about how to uninstall, install, and upgrade Common Components Catalog components, see the Common Components Catalog Installation Guide.