7.4

Table Of Contents
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Verify that the vRealize Automation you are upgrading from is in stable working condition. Correct any
problems before upgrading.
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Verify that you have changed the load balancer timeout settings from default to at least 10 minutes.
Hardware Configuration Requirements
Verify that the hardware in your environment is adequate for vRealize Automation 7.4.
See vRealize Automation Hardware Specifications and Capacity Maximums in Reference Architecture in
the vRealize Automation documentation.
Verify that the following prerequisites are finished before you begin an upgrade.
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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 vCloud Networking and Security has ended, the VCNS custom
properties continue to be valid for NSX purposes. See the Knowledge Base article 2144733.
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These nodes must have at least 5 GB of free disk space:
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Primary IaaS Website
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Microsoft SQL database
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Model Manager
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The primary IaaS Website node where the Model Manager data is installed must have JAVA SE
Runtime Environment 8, 64 bits, update 161 or later installed. After you install Java, you must set the
JAVA_HOME environment variable to the new version.
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To download and run the upgrade, you must have the following resources:
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At least 5 GB on the root partition
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5 GB on the /storage/db partition for the master vRealize Automation appliance
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5 GB on the root partition for each replica virtual appliance
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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.
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You have access to all databases and all load balancers impacted by or participating in the
vRealize Automation upgrade.
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You make the system unavailable to users while you perform the upgrade.
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You disable any applications that query vRealize Automation.
Upgrading from vRealize Automation 7.1 or Later to 7.4
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