1)

2016-03-11 12:03:01 ERROR apr_sockaddr_info failed for 192.168.1.253:514;The requested name is valid, but no data of the requested type was found.  

2)

2016-03-11 13:21:37 ERROR module 'in' is not declared at C:\Program Files (x86)\nxlog\conf\nxlog.conf:43
2016-03-11 13:21:37 ERROR route 1 is not functional without input modules, ignored at C:\Program Files (x86)\nxlog\conf\nxlog.conf:43
2016-03-11 13:21:37 WARNING no routes defined!
2016-03-11 13:21:37 WARNING not starting unused module internal
2016-03-11 13:21:37 WARNING not starting unused module out
2016-03-11 13:21:37 INFO nxlog-ce-2.9.1504 started

My nxlog.conf file

#define ROOT C:\Program Files\nxlog
define ROOT C:\Program Files (x86)\nxlog

Moduledir %ROOT%\modules
CacheDir %ROOT%\data
Pidfile %ROOT%\data\nxlog.pid
SpoolDir %ROOT%\data
LogFile %ROOT%\data\nxlog.log

<Extension syslog>

    Module xm_json

</Extension>

<Input internal>

    Module im_internal

</Input>

<Output out>

    Module om_tcp
    Host 192.168.253.134
    Port 9001
    Exec _json();
    

</Output>

<Route 1>

    Path   in => out
    
  </Route>

I have configured Receive port on Splunk server which is  :9001  and my splunk server ip : 192.168.253.134

I have set the receiving port on my splunk server and trying to get windows 7 logs into my splunk server using nxlog configurations.but having this erros. not able to interpreat these both erros.Appriciate if any one has answer for these both erros. 

Thanks!!