NetBIOS over TCP/IP Statistics
The nbtstat command displays NetBIOS over TCP/IP protocol statistics and NetBIOS name tables for both local and remote computers. It helps troubleshoot NetBIOS name resolution problems on Windows networks.
NetBIOS is an older Windows networking protocol that allows computers to communicate using computer names instead of IP addresses. While it's being phased out in favor of DNS, many Windows networks still use it for backward compatibility.
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Display the NetBIOS name table registered by your computer.
Resolve issues with accessing computers by name on the network.
View the NetBIOS name cache showing recently resolved names.
Get NetBIOS information from other computers on your network.
nbtstat -n Displays NetBIOS names registered by the local computer.
nbtstat -c Displays the NetBIOS name cache, which maps names to IP addresses.
nbtstat -r Shows NetBIOS name resolution statistics (names resolved by broadcast vs WINS).
nbtstat -R Purges and reloads the remote cache name table (requires admin).
nbtstat -RR Releases and refreshes NetBIOS names registered with WINS (requires admin).
nbtstat -a COMPUTERNAME Lists the NetBIOS name table of a remote computer by name.
nbtstat -A 192.168.1.100 Lists the NetBIOS name table of a remote computer by IP address.
nbtstat -s Displays NetBIOS sessions table showing current connections.
nbtstat -S Displays NetBIOS sessions table with IP addresses instead of names.
The nbtstat -RR command requires Administrator privileges to release and refresh NetBIOS names registered with WINS.
To run commands as Administrator in the simulator:
runas /user:administrator cmd Request administrator privileges
admin123 Enter the password when prompted
nbtstat -RR Now you can release and refresh NetBIOS names
Real Windows: Right-click Command Prompt and select "Run as administrator" before running this command.
Practice using the nbtstat command in the terminal below: