Download missing COM components

User Configuration\Administrative Templates\System

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Please read the following notes to confirm that you fully understand the impact of applying this policy. Applying this policy incorrectly could lead to system hangs during boot.

1. This policy is designed for legacy versions of Windows. Do not apply this policy for versions of Windows later than Windows XP or Windows Server 2003.

2. If you are not running in an Enterprise Domain with Active Directory support do not apply this policy.

3. This policy should be controlled by the Domain Administrator only. General Domain Users should not apply this policy.

4. This policy should never be applied for a service account, such as Local System, Local Service or Network Service.


Directs the system to search Active Directory for missing Component Object Model (COM) components that a program requires.

Many Windows programs, such as the MMC snap-ins, use the interfaces provided by the COM. These programs cannot perform all of their functions unless Windows 2000 has internally registered the required components.

If you enable this policy and a component registration is missing, the system searches for it in Active Directory and if it is found, downloads it. The resulting searches might make some programs start or run slowly.

If you disable this policy or do not configure it, the program continues without the registration. As a result, the program might not perform all of its functions, or it might stop.

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This policy appears in the Computer Configuration and User Configuration folders. If both policies are configured, the setting in Computer Configuration takes precedence over the setting in User Configuration.

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