It’s one of manynet commands.

Instead, themsg commandreplaces the net send command in those versions of Windows.

you might store the output of the net send command in a file using aredirection operatorwith the command.

Screenshot of the net send command in a Windows XP Command Prompt

The message is in quotes because a slash was used.

The real problem is that the currentenvironment variablehasn’t been set up correctly.

Select theEnvironment Variablesbutton from theAdvancedtab.

Windows XP path system variable text box

SelectPathfrom the list of variables in theSystem Variablessection.

For example, you’d change%SystemRoot%\system32toC:\Windows\system32.

If it helps, copy all the text into Notepad and do the editing there.

Don’t edit any other variables.

SelectOKa few times to save the changes and exit the System Properties window.

power cycle your gear.

you could also switch on the Messenger service from the command line: