This is known packet as casting.
Since MAC addresses are 6 hexadecimal octets, this is really simple in PowerShell.
Since we are going to send be using the MAC address of a machine to send a WOL magic packet, well need to be able to convert the MAC address to a byte array.
Putting it All Together, fortunately, there is a much easier way to write packet that in PowerShell.If you only have version.1 of the framework you can download the older version of WOL here.To create a byte or byte array in PowerShell, its a good practice to explicitly tell PowerShell that you want a value or variable to be treated as a byte/byte array.Recently, Ive had the opportunity to learn more about magic how WOL magic packets work.Byte MagicPacket 0xFF * 6) (MacByteArray * 16).PDQ Inventory and send PDQ Deploy.That got me script thinking about how to create my own magic packet via PowerShell.# try, broadcast (t.IPAddress:Broadcast) # Create UDP client instance, udpClient New-Object ckets.If you dont cast your bytes and byte arrays, PowerShell will often try and convert your values while manipulating magic them.The entire risk arising out of the use or performance of the sample scripts and documentation remains with you.The Official Scripting Guys Forum!See Wikipedia article wake-on-LAN works by broadcasting the magic packet to all network devices in a network. The sample scripts are provided AS IS without warranty of any kind.
Is it possible to have a VBS that will turn these settings on so we do not have to touch all 100 computers?Heres an example engineer of studio explicitly casting a byte remove variable called Byte and a byte array called ByteArray: Byte Byte 0x1A, byte ByteArray 0x1A, 0x2B, 0x3C, 0x4D, 0x5E, 0x6F.IPEndPoint Broadcast, 9 # Construct physical address instance for the MAC address of the machine (string to byte array).Wake on Direct Packet, cliffs wake on Magic packet, wake on Magic Packet from power off state.Requires Microsoft Windows (Vista, XP, 2003, 2000, ME, 98) and version.0 books of the.Net Framework.Length, IPEndPoint) Out-Null ose catch UdpClient.This blog post is part of a series on Powershell: Buy PDQ Inventory.Microsoft further disclaims all implied warranties including, hydra without limitation, any implied warranties of merchantability or of fitness for a particular purpose.Wake-on-LAN and the Magic Packet, the format of a Wake-on-LAN (WOL) magic packet is defined as a byte array with 6 bytes of value 255 (0xFF) and 16 repetitions of the target machines 48-bit (6-byte) MAC address.Online peer support For online peer support, join.When in the properties of the NIC we click Configure and go to Power Management.Disclaimer The sample scripts workstation are not supported under any Microsoft standard support program or service. If youre wondering about that comma in 0xFF * 6 theres a good explanation on Array Literals at the Windows PowerShell blog ( link here ).