How to Use Net Send

Net Send is a command line tool used in Windows XP for sending messages to other users and computers on a local network. With Windows Vista, Net Send was replaced with msg.exe, a command line tool that has very similar functionality and syntax. Net Send cannot send messages from a Windows XP machine to a machine using a later version of Windows.

Steps

Windows XP

Open the Command Prompt. You can use the command to send messages to other computers on your network. The command is used through the Command Prompt. You can open the Command Prompt from the Start menu or by pressing and typing "cmd".
- If you are using Windows Vista, 7, 8, 8.1, or 10, see the next section. The command was discontinued starting with Windows Vista, and replaced with a similar command.
Start the command. Type and press . You'll be adding information to the end of the command to specify where the message goes and what it says
Define who you are sending the message to. There are several different ways you can address the message to someone specific or to an entire group:^[1]
- }} - You can enter a username or computer name on your network to send the message to someone specific. If there is a space in the name, surround the name in quotes (e.g. ).
- - This will send the message to all of the users on your current domain or workgroup.
- }} - This will send the message to everyone in the specified domain or workgroup.
- - This will send the message to all of the users currently connected to the server.
Add the message. Type out the message that you want to send after you've specified the recipient(s). Your message can be up to 128 characters.
- For example - .
Send the message. Once you're finished typing the message, press to send it. The recipient will receive the message in a Windows dialog box, as long as they are logged in and connected to the network.

Windows Vista and Later

Check if you version of Windows supports the command. The command replaces a lot of the functionality of the discontinued command. Unfortunately, the command is limited to the Professional and Enterprise editions of Windows. If you are using a Home edition, you'll need to upgrade to Professional or Enterprise in order to use the command.^[2]
- You can see what version of Windows you're running by pressing , or by right-clicking "Computer" and selecting "Properties". Your version of Windows will be listed under the "Windows edition" section.
Open the Command Prompt. Like , the command is run from the Command Prompt. There are several ways you can open it, depending on the version of Windows you are using, or you can press and type "cmd".
- Windows Vista and 7 - Open the Command Prompt from the Start menu.
- Windows 8.1, and 10 - Right-click the Start button and select "Command Prompt".
- Windows 8 - Press and select "Command Prompt".
Start the command. Type and press . You'll be adding routing information as well as the message itself to the end of the command.
Define who you are sending the message to. The command has some different routing options than the old command:^[3]
- }} - Enter a username on your network to send a message to that user.
- }} - Enter the name of a specific session that you want to send the message to.
- }} - Enter the number of the specific session that you want to send the message to.
- }} - Enter the name of the file that contains a list of usernames, sessions, and/or session IDs that you want to send the message to. Useful for department lists.
- - This will send the message to everyone on the server.
Define the server you want to check for recipients on (optional). If you want to send the message to someone on a different server, enter the server information after the recipient information. If you don't specify a server, the message will be sent on the current server.
- }}
Set a time limit (optional). You can add a time limit to your message if it is time sensitive. The time is indicated in seconds. The time limit modifier comes after the server information (if present).
- }} (e.g. 300 seconds for a five minute time limit)
Add your message. Once you've set all of your options, you can add your message to the end of the command. You can also press without entering a message, and you'll be prompted to type it on a separate line.
- For example
Send the message. Press to send the message. The other users should receive it immediately.
- The command is designed to send messages to terminal users, not necessarily to different Windows computers on the same network.
Troubleshoot errors. There are a couple of different errors you may encounter when using the command:^[4]
- - If you receive this message, you are not running a version of Windows that supports . You'll need to upgrade to the Professional edition to access the command.
- or - There was a problem communicating with the recipient. Some users have fixed this problem by opening the Registry Editor on the recipient's computer (Run "regedit" to open it), navigating to "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server", and changing "AllowRemoteRPC" from "0" to "1".