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Changes made here are recorded in the system registry under HKEY_LOCAL_MACHINE\Software\Microsoft\OLE. Follow these steps to configure DCOM:

When DCOMCNFG starts, it displays the Distributed COM Configuration Properties dialog box. This dialog box has three tabs: Default Security, Default Properties, and Applications.
Click the Default Security tab. This screen displays three sections: Access, Launch, and Configuration Permissions.

Figure 3-2 Default Security Screen

Click the corresponding Edit Default button to make changes.
Click the Default Properties tab. The Default Properties screen appears.

Figure 3-3 Default Properties Screen

Check Enable Distributed COM on This Computer if you want clients on other machines to access COM objects running on this machine. Selecting this option sets the HKEY_LOCAL_MACHINE\Software\Microsoft\OLE\EnableDCOM value to Y.
Click the Applications tab. The Applications screen appears.

Figure 3-4

To change the settings for a particular object, select the application from the list and click the Properties button. This action displays the Object Properties dialog box for the selected application.

Figure 3-5

The Object Properties dialog box has four tabs. The table below provides a description:

Table 3-1 Object Properties Tabs

Tab Name	Description
General	Confirms the name of the application.
Location	Specifies where the application should run when a client creates the instance of server application. If Run Application on the Following Computer is enabled, and a computer name is entered, a RemoteServerName value is added under the APPID for that application.
Security	Similar to the Default Security tab found in the Distributed COM Configuration Properties dialog box, except that these settings apply only to the current application. Again, the settings are stored under the APPID for that object.
Identity	Identifies which user is used to run the application.