Distributed Component Object Model, DCOM
Distributed Component Object Model (DCOM) is a proprietary Microsoft technology for communication between software components on networked computers.
Get list of DCOM applications
PS C:\> Get-CimInstance Win32_DCOMApplication
AppID Name
----- ----
{00000000-0000-0000-0000-000000000000} AAAA
{11111111-1111-1111-1111-111111111111} BBBB
...
PS C:\>