Updated Information

This vCenter Server Upgrade is updated with each release of the product or when necessary.

This table provides the update history of the vCenter Server Upgrade.

Revision	Description
02 APR 2021	VMware has rebranded the My VMware portal as VMware Customer Connect. We updated the vCenter Server Upgrade documentation to reflect this name change.
10 AUG 2020	At VMware, we value inclusion. To foster this principle within our customer, partner, and internal community, we are replacing some of the terminology in our content. We have updated this guide to remove instances of non-inclusive language.
30 JUN 2020	Support for Internet Explorer was removed as a supported web browser for use with the vSphere Client. See vSphere Client Software Requirements.
29 APR 2020	Added the prerequisite that, when upgrading or migrating vCenter Server, you must create a backup of the existing vCenter Server or Platform Services Controller nodes in your environment. You can use the backup as a precaution in case there is a failure during the deployment process. See Prerequisites for Upgrading the vCenter Server Appliance or Platform Services Controller Appliance and Prerequisites for Migrating vCenter Server and Platform Services Controller.
11 DEC 2019	The procedure by which you patch a vCenter Server Appliance configured in a vCenter High Availability (HA) cluster has changed. You must verify that patching a vCenter HA configuration is supported for your patch version of vCenter Server. See Patch a vCenter High Availability Environment.
23 JUL 2019	vSphere 6.7 introduces a new two-pass algorithm to allocate a resource pool’s resource reservation to its children (also known as divvying). See Enhanced Distributed Resource Scheduler Resource Pool Reservation. A description of the export_dir parameter located is the in the source_vc section, vc_vcsa subsection of the JSON configuration files for CLI upgrade was added. See Upgrade Configuration Parameters. The default location of the SSL certificates was corrected. The correct file path is %allusersprofile%\VMware\VMware VirtualCenter. See Prepare Managed ESXi Hosts for Migration.
11 APR 2018	Initial release.