vcsa no healthy upstream Error can happen because of any of the below issue
1.Root password got expired.
- To check try to login VCSAIP with 5480 port (https://VC:5480) use root password you will error message about password expired.
- ssh to VCSA using root/passwd (here passwd works) and run below command to see expired
You are required to change your password immediately (administrator enforced)
chage: PAM: Authentication token is no longer valid; new one required
Now change passwd using "passwd root" command
You should be able to login webclient now
2.verify CPU/Memory/Datastore space
3.Verify DNS server is Up and Running
4.Verify certificate of Center is expired .If expired re-new the certificate using:
https://vmwareboy.blogspot.com/2021/11/regenerate-certificates-using-self.html
