Realize network remote unified shutdown with Windows XP

After leaving work, there are often many employees who do not turn off the computer. The leader asks to solve this problem after discovering it. I think it would be time consuming to go to the offices to check it out, so I want to shut down all the machines through one computer. Because all office machines are installed with windows xp system, I thought of using the remote shutdown "Shutdown" command. The specific method is as follows:
Step 1, click “ Start & Rarr; Run & rdquo;, enter "lded; Gpedit.msc" in the dialog box, click [OK], open the "Group Policy Editor".
Step 2, on the left side of the "Group Policy Editor" window, "Computer Configuration & Rarr; Windows Settings & Rarr; Security Settings & Rarr; Local Policies & Rarr; User Rights Assignment", in the right window select “ Force shutdown from the remote system & rdquo;. In the pop-up dialog box, only members of the “Administrators” group are authorized to remotely shut down; click the [Add User or Group] button at the bottom of the dialog box, and then enter “ldyong; Heyongsheng” in the pop-up dialog box. Member account), and then click [OK].
Step 3, at this time in the "from the remote system forced shutdown" attribute added a "Heyongsheng" user, click [OK], and finally close the "Group Policy Editor" window.
After doing the above operations on the computers of each office, we granted the remote shutdown permission to each computer's “Heyongsheng” user. When I get off work, I just need to do the following on my machine:
Step 1 Click “Start →Run”, enter "ldutdown -I”" in the dialog box, and the screen will display "ld remotely Shutdown & rdquo; dialog (Figure 1).

Figure 1 Remote Shutdown Control Window