How to hide my Windows 2003 server from the Microsoft Computer Browser service?

• Windows 2003 server.

To perform this task, you need to have :

• Knowledge in accessing the server via Remote Desktop.
• IP address or server hostname.
• Your server Remote desktop username and password.

There is 2 way to prevents people on other network computers from seeing your server :

1.    Editing the registry

Open the registry editor. From desktop, click Start > Run , Type regedit in the Run window and click OK.

Go to :

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters

From the Edit menu, choose New > DWORD Value, then rename the new Value to Hidden.

Note: This value is case sensitive and must begin with a capital H.

In the Data field, type 1 to enable hiding and choose OK.

Restart your server.

2.    Using the NET CONFIG SRV command

This setting can also be changed using the following command :

net config server /hidden:yes|no

–    To hide the computer from the Browser List, type net config server /hidden:yes at the command prompt , and then press ENTER.

–    To unhide the computer from the Browser list, type net config server /hidden:no at the command prompt, and then press ENTER.

Note: It may take up to 30 minutes for the server to disappear from the Browser lists.

Lastly, you’re completed the steps and hide the windows 2003 server from Microsoft Computer Browser service:

Please refer to the following article to know more. 
Knowledge Base: Disable Enhanced Security Configuration for Internet Explorer in Windows Server 2019/2016