Can Ping by IP Address but not by Computer Name

The possible causes for these problems are:

• May be incorrect Computer or Server Name (:
• DNS Lookup failed due to DNS client cache
• DNS Lookup failed due to different Domain Network
• Firewall restriction by Computer or Machine Name

Solution 1: Check your Computer is correct or not for IP Address

   You can check the machine name is correct for corresponding ip address by using the following command.

ping -a 192.168.56.102

After running this command, you could see the computer name in Ping results.

Solution 2: Flush and Reset a client resolver cache and Renew DNS client registration

Flush and Reset a client resolver cache using following ipconfig command

ipconfig /flushdns

Refer: http://technet.microsoft.com/en-us/library/cc781949(v=ws.10).aspx

Renew DNS client registration using this ipconfig command

ipconfig /registerdns

Refer: http://technet.microsoft.com/en-us/library/cc780467(v=ws.10).aspx

Solution 3: Edit DNS Lookup Host file entry

   You can add entry in DNS Host file to create mapping between IP Address and Computer Name or Machine Name.

   1. Go to file location: C:WindowsSystem32driversetc
   2. Copy the hosts file and paste it in your desktop.

   3. Open the host file in notepad and add entry for the Machine Name and IP Address which you want to resolve and save the file.

   4. Then copy and replace this file into existing hosts file in C:WindowsSystem32driversetc

Solution 4: Firewall restriction by Computer or Machine Name

 Check the Inbound and Outbound Rules of Firewall settings in Local machine and Remote machine. and ensure there is not Deny entry for corresponding machine name.