Cisco AAA/Identity/Nac :: Syslog Configuration In ACS 5.2.0.26?

I want send ACS logs to a syslog server .I have configured syslog under  System Administration --> Configuration -->Remote Log Targets .
 
Name : Syslog Server
IP     : x.x.x.x
Port : 514
Facility Code:Local 6
Maximum length :1024
 
I have open the respective ports also in firewall .But Syslog server is not getting any logs from ACS .I have another log target ,which is ACS secondary server to collect the log from primary and secondary with below config.whch is working fine
 
Name :Logcollector
IP     : x.x.x.x
Port : 20514
Facility Code:Local 6
Maximum length :1024