Hi,
Have you imported and trusted certificates after the upgrade?
/opt/vmware/vcloud-director/bin/cell-management-tool trust-infra-certs --vsphere --unattended
Try to see if it fix your issues.
Luciano Patrão
VCP-DCV, VCAP-DCV Design 2023, VCP-Cloud 2023
vExpert vSAN, NSX, Cloud Provider, Veeam Vanguard
Solutions Architect - Tech Lead for VMware / Virtual Backups
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Blog: https://www.provirtualzone.com | Twitter: @Luciano_PT