Article ID: 246499 - View products that this article applies to.
This article was previously published under Q246499
When you upgrade your computer to Microsoft Windows 2000, you may find problems when starting the Component Services snap-in from Administrative tools, or you may notice problems when trying to run ASP pages.
-or-When you open the Component Services Microsoft Management Console (MMC) in Windows 2000 and click to expand the Component Services and Computers nodes, you may receive the following error message:
Catalog error - An error occurred while processing the last operation: 80040154, Class not registered
This problem usually happens if there was a problem during COM+ setup.
At the beginning of setup, Windows 2000 generates a file named ~clbcatq.dll. The existence of this file signals that COM+ setup has not been successfully completed. When COM+ setup completes successfully, it deletes the ~clbcatq.dll file.
Check whether the ~clbcatq.dll file is present in your %windir%\system32 folder. If so, then it's likely that something failed during COM+ setup. If the ~clbcatq.dll file is present, this could be because either:
Problem Diagnosis and TroubleshootingCOM+ setup logs errors to a file named Comsetup.log. Search Comsetup.log for errors.
If you find COM+ errors, follow these initial troubleshooting steps:
NOTE: Make sure that the identity setting of the IIS Out-of-Process Pooled Applications in component services is set to IWAM_(Computer name) after COM+ setup has finished successfully.
Article ID: 246499 - Last Review: October 26, 2007 - Revision: 1.1
Retired KB Content Disclaimer
This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.