• Check whether you have enough storage space left on the datastore that vcenter is running
  • https://knowledge.broadcom.com/external/article/318953/vcenter-server-appliance-disk-space-is-f.html
    • In particular my /storage/log/vmware/pod dir was full of pod-startup.log.xxxx files. I deleted them all, and the server started correctly.
• Check Certs
  • This kb details how to check for expired certificates: https://kb.vmware.com/s/article/82332
    
    This kb details how to run certificate-manager: https://kb.vmware.com/s/article/2097936

and then from the ssh shell start all the services (services-control –start –all)