| arp -a | Shows gateway MAC address. |
| gpresult | Starts the Operating System Group Policy Result tool |
| ipconfig /all | Displays the full TCP/IP configuration for all adapters |
| ipconfig /flushdns | Flushes the DNS resolver cache. Helpful when troubleshooting DNS name resolution problems |
| nbtstat -a <MachineName> | Obtains info from WINS or LMHOST (discovers who is logged on) |
| nbtstst -A <IP> | Gets info from WINS or LMHOST (discovers who is logged on) |
| nbtstat -R | Purges and reloads the remote cache name table |
| nbtstat -n | Lists local NetBIOS names. |
| nbtstat -r | Useful for detecting errors when browsing WINS or NetBIOS |
| netstat -ab | The b switch links each used port with its application |
| netstat -an | Shows open ports |
| netstat -an 1 | find "15868" | Locates only lines with the number 15868 and redisplays every one second |
| netstat -an | find"LISTENING" | Shows open ports with LISTENING status |
| net use | Retrieves a list of network connections |
| net use file://1.2.3.4/ | Sees if the machine can poll IP 1.2.3.4 |
| net user | Shows user account for the computer |
| net user /domain | Displays user accounts for the domain |
| net user /domain <UserName> | Shows account details for specific user |
| net group /domain | Shows group accounts for the domain |
| net view | Displays domains in the network |
| net view /domain | Specifies computers available in a specific domain |
| net view /domain: <DomainName> | more | Shows user accounts from specific domain |
| net view /cache | Shows workstation names |
| nslookup | Looks up IP/hostnames and displays information helpful in diagnosing DNS issues |
| ping -a <IP> | Resolves IP to Hostname |
| ping -t <IP> | Pings host until stopped |
| set U | Shows which user is logged on |
| set L | Shows the logon server |
| telnet <IP> <port> | Confirms whether the port is open |
