If TeamViewer is installed on a Windows Server server, "Personal/Non-Commercial Use" is not allowed, and "Business Users Only" can use TeamViewer on server operations. That is to say: if it is installed on a server operating system such as Windows 2003 Server, it is a business user.
To break through this limitation, it is actually very simple: just modify the MAC address of the machine. In the properties of the network connection, click "General/Configuration", in the Advanced tab, set the "Locally Administered Address" or "network address" value. After modifying the MAC address, install the above installation method in this article.
How to modify TeamViewer ID:
1. Start > Run, enter %appdata%, and delete the TeamViewer folder;
2. Start > Run, enter regedit;
Delete TeamViewer under HKEY_LOCAL_MACHINE\SOFTWARE\;
Delete TeamViewer under HKEY_CURRENT_USER\SOFTWARE\;
3. Start > Control Panel > System > Hardware > Device Manager > Right-click on the network adapter > Properties > Advanced > Network Address; enter a random 12-digit number in the Value field.
4. Open TeamViewer and you will find that your TeamViewer ID has changed. success!
Modify the TeamViewer.ini file in the TeamViewer installation directory,
Say nosave=1 and change it to nosave=0,
Restart TeamViewer and you will find that many gray areas can be selected and saved.