Hi Mate ,
You are doing an upgrade of your SDDC and it fails on the pre-check for SDDC Password .
what you have to make sure is to have the VCF user : vcf password into never expired state and VCF root password never expired. if the passwords are expired ur precheck will fail.
i would recommend not upgrade your SDDC until your precheck are green . and take a snapshot of the SDDC.
To remove your vRealize from SDDC 3.x , you can follow the below KB
For 4.x U will have to get help from support.
Regards
Viquarmca
Why do so many upgrades lead to needing to touch the postgres 😞