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PRB: Error Message "0x8009000F = Object Already Exists"
This article was previously published under Q271865
While attempting to reinstall Internet Information Services
(IIS) 5.0 or later, the following error message occurs:
Error writing Encryption data to Web Services Configuration
database (metabase). 0x8009000F=Object Already Exists.
This problem has been seen after the installation of
To resolve the problem, use these steps:
- Remove IIS (by using Add/Remove Programs in Control
- Using Windows Explorer, change to the following directory:
- Copy all the files in the MachineKeys directory to another
location (to back them up).
- Delete all the files from the MachineKeys directory except
the newest one (and not the backups!).NOTE: If you are unable to delete any of these files, try taking
ownership of this directory. To do this, follow these steps:
- Right-click the MachineKeys folder.
- Click Properties.
- Click the Security tab.
- Click Advanced.
- Click the Owner tab.
- Highlight the Administrators group to change the owner.
- Select Replace owner on subcontainers and objects.
- Click OK.
- Look for the following folder:
If this folder exists, repeat steps 3 and 4 on this folder.
- Restart the computer.
- Install IIS (by using Add/Remove Programs in Control
For additional information about setting the correct NTFS
rights on the MachineKeys directory, click the article number below to view the
article in the Microsoft Knowledge Base:
Error Message: Unable to Enumerate Web Sites because the Following Error Occurred: Object Already Exists
For more information, see the following Knowledge
'Error Writing Encrypted Data' Error During IIS 5.0 Installation
Article ID: 271865 - Last Review: December 3, 2007 - Revision: 3.6
- Microsoft Internet Information Services 5.0
- Microsoft Internet Information Services 6.0
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