Microsoft KB Archive/300188

= PRB: Unregistering MSXML 3.0 DLL Removes Registry Entries When Installed in Replace Mode =

Article ID: 300188

Article Last Modified on 10/12/2001

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APPLIES TO


 * Microsoft XML Parser 2.0
 * Microsoft XML Parser 2.5
 * Microsoft XML Parser 2.6
 * Microsoft XML Core Services 4.0
 * Microsoft XML Parser 3.0 Service Pack 1

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This article was previously published under Q300188



SYMPTOMS
If MSXML 3.0 is installed in replace mode and the dynamic-link library (DLL) is unregistered, all registry entries for previous versions are removed, and Web applications that were using MSXML no longer work correctly.



RESOLUTION
Reinstall the previous version of MSXML to restore the component.



STATUS
This behavior is by design.



MORE INFORMATION
Use the steps to reproduce behavior only on test computers. Following these steps breaks MSXML on that computer, so that you must reinstall MSXML.

Steps to Reproduce Behavior

 * 1) Install MSXML 3.0. During setup, select Replace Mode.
 * 2) Unregister Msxml3.dll. Applications that use MSXML no longer work correctly.

Keywords: kbnofix kbprb kbmsxmlnosweep KB300188

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