JSI Tip 7010. How can I disable DCOM?

Jerold Schulman

July 31, 2003

1 Min Read
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Previously called Network OLE, DCOM (Distributed Component Object Model) is a protocol that enables software components to communicate with each other over a network.

NOTE: For additional information, see http://www.microsoft.com/com/tech/dcom.asp.

DCOM is supported natively in NT-based operating systems (Windows NT 4.0, Windows 2000, Windows XP, and Windows Server 2003).

You can disable DCOM support, but you may loose functionality.

If you still want to disable DCOM.

1. Set the EnableDCOM Value Name, a string (REG_SZ) data type, at HKEY_LOCAL_MACHINESoftwareMicrosoftOLE to N.

2. Shutdown and restart your computer.

3. For Windows XP and Windows Server 2003, complete the following additional steps:

      A. Run Dcomcnfg.exe.

      B. Expand Component Services.

      C. Right-click Computer and press Properties. For a remote computer, right-click Computer, press New, press Computer, type the ComputerName, right-click the ComputerName and press Properties.

      D. Select the Default Properties tab.

      E. Clear the Enable Distributed COM on this Computer box.

      F. press Apply to disable DCOM.

      G. Press OK and exit Dcomcnfg.exe.

      H. Shutdown and restart your computer.

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