Add vCenter Servers to the List of Servers in Backup Exec v20.3
Add vCenter Backup Exec, You can use the Add Server Wizard to feature VMware vCenter Server and install the Agent.
1- On the Backup and Restore tab menu within the Servers and Virtual Hosts group right-click and click Add Server.
2- Select VMware vCenter servers or host and click on next.
3- Add your VMware vCenter Server or ESX host detail (Name or IP address)
Select after adding the virtual host, install the backup exec agent for windows on a virtual machine and click next.
4- In the Logon Account field, select the login account that you want to use to access each server and click next.
5- Review the details and click next.
6- Select Allow Backup Exec to establish a trust with the Servers and click Next.
7- Select the servers on which you want to install the Agent for Windows and then click Next.
8- Select the Admin account for the server and then click Next.
9- Select Upgrade the Backup Exec Agent for Windows to the current version automatically and then click Next.
10- Review the Summary and then click Install.
11- Installing backup exec agent for windows Started.
12- Installation Completed, click Finish and then Restart Required Server.
13- After installing the Agent for Windows the vCenter server is added to the list of servers in Backup Exec.
For more details click here