Microsoft does not recommend that you disable DCOM in your environment until you have tested to discover what applications are affected. There are potentially many built-in components and 3rd party applications that will be affected if you disable DCOM. Windows Management Instrumentation (WMI) queries against remote servers may not function correctly. The local COM+ snap-in will not be able to connect to remote servers to enumerate their COM+ catalog.Ĭertificate auto-enrollment may not function correctly. After you disable support for DCOM, the following may result:Īny COM objects that can be started remotely may not function correctly. Warning If you disable DCOM, may you may lose operating system functionality. More information about DCOM, visit the following Microsoft Web site: ĭCOM is supported natively in Windows NT 4.0, Windows 2000, Windows XP, and Windows Server 2003. Previously named 'Network OLE,' DCOM is designed for use across multiple network transports, including Internet protocols such as HTTP. The Distributed Component Object Model (DCOM) is a protocol that enables software components to communicate directly over a network. How to disable DCOM support in Windows Summary