Using Workgroups in Computer Networking

Understand the difference between domains, homegroups, and workgroups

In computer networking, a workgroup is a collection of computers on a local area network (LAN) that share common resources and responsibilities. The term is most commonly associated with Microsoft Windows workgroups but also applies to other environments. Windows workgroups can be found in homes, schools, and small businesses. However, while all three are similar, they don't function in the exact same way as domains and HomeGroups.

Workgroups in Microsoft Windows

Microsoft Windows workgroups organize PCs as peer-to-peer local networks that facilitate easier sharing of files, internet access, printers, and other local network resources.

Each computer that's a member of the group can access the same resources being shared by the others, and in turn, can share its own resources if configured to do so.

Screenshot of a windows workgroup in Windows 10

Joining a workgroup requires all participants to use a matching name. All Windows 10 computers are automatically assigned to a default group named WORKGROUP (or MSHOME in Windows XP). 

Admin users can change the workgroup name from the Control Panel. Use the System applet to find the Change button in the Computer Name tab. Workgroup names are managed separately from computer names.

To access shared resources on other PCs within its group, use the name of the workgroup that computer belongs to plus the username and password of an account on the remote computer.

Windows workgroups can contain many computers but work best with 15 computers or less. As the number of computers increases, a workgroup LAN becomes difficult to administer and should be re-organized into multiple networks or set up as a client-server network.

Windows Workgroups vs HomeGroups and Domains

Windows domains support client-server local networks. A specially configured computer called the Domain Controller running a Windows Server operating system serves as a central server for all clients.

Windows Domains

Windows domains can handle more computers than workgroups due to the ability to maintain centralized resource sharing and access control. A client PC can belong either to a workgroup or to a Windows domain, but not both. Assigning a computer to the domain automatically removes it from the workgroup.

Corporate domains may include switches that network devices are plugged into in order to connect to the larger company domain.

Image of a corporate switch
 Jordan Harrison / Upsplash

Microsoft HomeGroup

Microsoft introduced the HomeGroup concept in Windows 7. HomeGroups are designed to simplify the management of workgroups for administrators, particularly homeowners. Instead of requiring an administrator to manually set up shared user accounts on every PC, HomeGroup security settings can be managed through one shared login.

Additionally, HomeGroup communication is encrypted and makes it simple to share single files with other HomeGroup users.

Joining a HomeGroup does not remove a PC from its Windows workgroup; the two sharing methods co-exist. Computers running versions of Windows older than Windows 7, however, cannot be members of HomeGroups.

To find HomeGroup settings, go to Control Panel > Network and Internet > HomeGroup. Join Windows to a domain through the same process used to join a workgroup; choose the Domain option instead.

Other Computer Workgroup Technologies

The open-source software package Samba (which uses SMB technologies) allows Apple macOS, Linux, and other Unix-based systems to join existing Windows workgroups.

Apple originally developed AppleTalk to support workgroups on Macintosh computers but phased out this technology in the late 2000s in favor of newer standards like SMB.

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