GetMac.exe – Windows CMD Command
Display the Media Access Control (MAC) address and list of network protocols associated with each address for all network cards in each computer, either locally or across a network.
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Syntax getmac [/s Computer [/u Domain\User [/p Password]]] [/fo {TABLE|LIST|CSV}] [/nh] [/v] Key /s Computer The name or IP address of a remote computer (do not use backslashes). Default = local computer. /u Domain\User Run the command with the account permissions of the user specified. Default = the currently logged on user. /p Password The password of the user account that is specified in the /u parameter. /fo { TABLE | LIST | CSV } Format the output. Default = TABLE. /nh Omit the header row from the displayed driver information. Valid when the /fo parameter is set to TABLE or CSV. /v Display verbose information. /? Display Help. |
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Examples Show all MAC addresses in Table output: getmac /fo table /nh /v Show MAC addresses on serverF4T getmac /s serverF4T Show MAC addresses on serverF4T and authenticate as a different user: getmac /s serverF4T /u F4TDom\user583 Export a verbose listing of MAC addresses to a CSV file getmac /v /fo csv > T:\macaddresses.csv PowerShell script to get the Mac address of the current machine: $Mac = getmac /fo csv | ConvertFrom-Csv PowerShell script to collect Mac addresses for multiple machines by calling GetMac: # Create empty hash table $macHash=@{} # Load a list of machine names $servers=get-content c:\batch\servers.txt foreach ($server in $servers) { if (Test-Connection $server -quiet) { # if it responds to a Ping # Call the GetMac utility $getmac=getmac /nh /fo csv /s $server $macAddresses=$getmac -split "," $interface = 1 $macAddresses | foreach { if ($_ -ne ""){ # check for a '-' to see if we have a mac address if ($_.substring(3,1) -eq "-") { # Remove quotes $addr = $_.replace("""","") $adapter = $interface/2 Echo "$server Adapter:$adapter $addr" # Save in the hash variable $macHash.add("$server Adapter:$adapter",$addr) } } $interface += 1 } } } # Export the hash table to a spreadsheet $macHash.GetEnumerator() | select name, value | Sort-Object Name | Export-CSV -Path "c:\batch\macaddresses.csv" -NoTypeInformation |
