Steps to configure VMware Syslog ServerHow to Setup VMware Syslog Server

Installed Syslog server on any windows machine, accept default option including port numbers and default location. (If you want to change it, you can customize it depending upon your choice)

Go to ESXi host
Go to Configuration Tab
Go to Software and  Advanced Setting
Click on Syslog 

Change Syslog.global.logdir      Value: [datastorename]/Log Location     (Make sure this datastore is accessible by all hosts)
Select Syslog.global.logDirUnique
Put the value on Syslog.global.logHost as tcp://IPADDRESS:514

Hit Ok

One requirement

Go to ESXi Firewall and enable syslog ports on it

Now see you Syslog server Location for files, you should see some files on Data folder under syslog Server

Hit me if you have any question