Event ID - 21

Event Id21
SourceCertSvc
DescriptionCertificate Services could not process request 4 due to an error: Cannot find object or property. 0x80092004 (-2146885628). The request was for (Unknown Subject).
Event InformationUsing Registry Editor incorrectly can cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk. For information about how to edit the registry, view the "Changing Keys And Values" Help topic in Registry Editor (Regedit.exe) or the "Add and Delete Information in the Registry" and "Edit Registry Data" Help topics in Regedt32.exe. Note that you should back up the registry before you edit it. If you are running Windows NT, you should also update your Emergency Repair Disk (ERD). To resolve this problem, you must edit the registry and disable the 127-character-length-checking option. To set this option, you must change the value of CertEnrollCompatible from 1 to 0.
Reference LinksErr Msg: Certificate Server Could Not Process Request

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