Microsoft KB Archive/187517

= Uninstalling Proxy or Internet Explorer Breaks SBS Uninstall =

Article ID: 187517

Article Last Modified on 2/24/2004

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APPLIES TO


 * Microsoft BackOffice Small Business Server 4.0a
 * Microsoft BackOffice Small Business Server 4.0

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This article was previously published under Q187517



SYMPTOMS
After you remove programs such as Internet Explorer or Proxy Server by using the Add/Remove Programs tool in Control Panel and then try to uninstall Small Business Server (SBS), an error similar to the following will be displayed:

Setup of Microsoft Small Business Server failed. The specific error code is 0xc9ef18. Setup will continue but the component may not function properly.

NOTE: The error code may be different.



CAUSE
Removing individual components of SBS from Add/Remove Programs removes the registry entries and components of SBS that allow SBS to be successfully uninstalled.



RESOLUTION
Remove components of SBS by selecting SBS in Add/Remove Programs. In the next dialog box, click to clear the check box of the components you want to remove. By default, the individual components or programs that are included with SBS are listed in the list of installed programs. However, they should not be removed individually.



STATUS
Microsoft has confirmed this to be a problem in Microsoft BackOffice Small Business Edition. We are researching this bug and will post new information here in the Microsoft Knowledge Base as it becomes available.

Additional query words: smallbiz

Keywords: kbbug kbnofix KB187517

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