Event ID - 4821

Event Id	4821
Source	Microsoft-Windows-Complus
Description	Failed to initialize registration database API. %0
Event Information	According to Microsoft : Cause : This event is logged when failed to initialize registration database API. Resolution : Report the internal error to Microsoft If this problem persists and continues to be an issue, contact Microsoft Customer Service and Support (CSS). Verify : You can verify that your component is working properly by running the Component Services administrative tool and ensuring that the required properties for the component are set. To perform the procedures, you must have membership in Administrators , or you must have been delegated the appropriate authority. To open Component Services and verify that the component's required properties are set: Click Start , and then click Run . Type comexp.msc , and then click OK . If the User Account Control dialog box appears, confirm that the action it displays is what you want, and then click Continue . To locate your application, click Component Services , click Computers , click My Computer , and then click COM+ Applications . Right-click the component name, and then click Properties . In the component properties dialog box, click each tab to verify that the required properties are set. In addition, you can verify that the COM+ operating system component is installed and working properly. To verify that COM+ is working properly: In the console tree of Component Services, click Services (Local) . Scroll through the list of service names to find the following services: COM+ Event System (optional), COM+ System Application, DCOM Server Process Launcher , and Remote Procedure Call (RPC) . Confirm that the status of each service is Started .
Reference Links	Event ID 4821 from Source Microsoft-Windows-Complus

Catch threats immediately

We work side-by-side with you to rapidly detect cyberthreats
and thwart attacks before they cause damage.

See what we caught