Article ID: 246208 - Last Review: March 1, 2007 - Revision: 2.2 Certification Authority Does Not Start and Returns Error Code 0x80004015This article was previously published under Q246208 IMPORTANT: This article contains information about modifying the registry. Before you
modify the registry, make sure to back it up and make sure that you understand how to restore
the registry if a problem occurs. For information about how to back up, restore, and edit the
registry, click the following article number to view the article in the Microsoft Knowledge Base:
256986
(http://support.microsoft.com/kb/256986/EN-US/
)
Description of the Microsoft Windows Registry
SYMPTOMS
The Windows 2000 Certification Authority service may not start and may return error code 0x80004015 ("The class is configured to run as a security ID different from the caller").
CAUSE
This behavior can occur if the registration for the Distributed Component Object Model (DCOM) interface in either of the following registry locations contains both RunAs and LocalService entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppId\{D99E6E74-FC88-11D0-B498-00A0C90312F3}
When this occurs, the Certification Authority service does not start because it does not expect both values to be set.
-or- HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppId\{D99E6E73-FC88-11D0-B498-00A0C90312F3} RESOLUTIONWARNING: If you use Registry Editor incorrectly, you may cause serious problems that may
require you to reinstall your operating system. Microsoft cannot guarantee that you can solve
problems that result from using Registry Editor incorrectly. Use Registry Editor at your own
risk. To resolve this issue, remove the RunAs entries under both of the following registry locations:
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppId\{D99E6E74-FC88-11D0-B498-00A0C90312F3}
Make sure that the LocalService entry exists under the following registry locations with a data value of CertSvc:
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppId\{D99E6E73-FC88-11D0-B498-00A0C90312F3}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppId\{D99E6E74-FC88-11D0-B498-00A0C90312F3} HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppId\{D99E6E73-FC88-11D0-B498-00A0C90312F3} STATUSMicrosoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. | Article Translations
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