An installation might not succeed when IaaS time servers are not synchronized with the vRealize Automation appliance.
You cannot log in after installation, or the installation fails while it is completing.
Time servers on all servers might not be synchronized.
Synchronize all vRealize Automation appliances and IaaS Windows servers to the same time source. Do not mix time sources within a vRealize Automation deployment.
Set a vRealize Automation appliance time source:
Log in to the vRealize Automation appliance management interface as root.
Select, and set the time synchronization source.
Synchronize to the vRealize Automation appliance ESXi host.
Synchronize to one external Network Time Protocol (NTP) server. Enter the FQDN or IP address of the NTP server.
For IaaS Windows servers, see Enable Time Synchronization on the Windows Server.