TOOLS FOR THE NETWORK TROUBLESHOOTING

There is a some useful tools for the network troubleshooting purpose. 

1.       Network Monitor 3.4.

http://www.microsoft.com/en-us/download/details.aspx?id=4865 

2.       Wireshark

https://www.wireshark.org/download.html 

3.       PortQuery/PortqueryUI

http://www.microsoft.com/en-us/download/details.aspx?id=24009 

4.       RpcDump : this tool is contained in Windows resource pack and it is useful to dump all the RPC interface information on a machine.

http://www.microsoft.com/en-us/download/details.aspx?id=17657 

5.       Fiddler : this tool is very useful for HTTP related connection issue)

http://www.telerik.com/download/fiddler 

6.       Microsoft Remote Connectivity Analyzer

https://www.testexchangeconnectivity.com  

7.       Ping/Telnet/tracert/Netstat/nslookup: All these are Windows OS built-in tools. 

8.       TCPView : TCPView is a Windows program that will show you detailed listings of all TCP and UDP endpoints on your system

https://technet.microsoft.com/en-us/sysinternals/bb897437 

9.       Whois : Whois performs query against the registration record for the domain name or IP address that you specify

https://technet.microsoft.com/en-us/sysinternals/bb897435

Thanks to Premier Support for this info.