This article intends to be a one-stop place to provide information for upgrading VMware Cloud Director
Resolution
Read the target version Release Notes and be aware of Known Issues.
Reference the Interop Matrix to confirm the target Cloud Director version is compatible with other integrations in the environment and plan to upgrade those if necessary.
Also confirm the Cloud Director upgrade path is supported.
Validate there are good backups of VMware Cloud Director.
Be aware that SHA-1 certificates are not supported at or beyond 10.5.1 and replace those certificates prior to the upgrade if applicable.