VMware vRA Latency and Bandwidth

vRealize Automation supports multiple site, distributed installation, but data transmission speed and volume must meet minimum prerequisites.

vRealize Automation needs an environment of 5 ms or lower network latency, and 1 GB or higher bandwidth, among the following components.
•    vRealize Automation appliance
•    IaaS Web server
•    IaaS Model Manager host
•    IaaS Manager Service host
•    IaaS SQL Server database
•    IaaS DEM Orchestrator

The following component might work at a higher latency site, but the practice is not recommended.
•    IaaS DEM Worker

You may install the following component at the site of the endpoint with which it communicates.
•    IaaS Proxy Agent

Info Source Link

Changing the vRealize Automation 7.x Management UI User

You can add and delete users on the Virtual Appliance Management Interface to create the appropriate level of security:

Create a new user and add the user to the Virtual Appliance Management Interface group.
useradd -G vami,root <new_user>

Create a password for the user.
passwd <new_user>


Disable root access on the Virtual Appliance Management Interface.
usermod -R vami root

How to Verify that the password history enforced for the root account.
 cat /etc/pam.d/common-password-vmware.local | grep pam_pwhistory.so