Microsoft KB Archive/305838

= PRB: MDAC Installation on Windows Terminal Server May Fail =

Article ID: 305838

Article Last Modified on 11/3/2003

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APPLIES TO


 * Microsoft Data Access Components 2.1
 * Microsoft Data Access Components 2.1 Service Pack 2
 * Microsoft Data Access Components 2.1 Service Pack 1
 * Microsoft Data Access Components 2.1 Service Pack 2
 * Microsoft Data Access Components 2.5
 * Microsoft Data Access Components 2.5 Service Pack 1
 * Microsoft Data Access Components 2.5 Service Pack 2
 * Microsoft Data Access Components 2.6
 * Microsoft Data Access Components 2.6 Service Pack 1
 * Microsoft Data Access Components 2.8

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This article was previously published under Q305838



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 Description of the Microsoft Windows Registry



SYMPTOMS
If you install Microsoft Data Access Components (MDAC) version 2.1, 2.5, or 2.6 on Windows NT 4.0 Terminal Server or Windows 2000 Terminal Services, sometimes the MDAC installation may fail.

This problem may also occur after you use Component Checker to reconfigure the MDAC installation on Terminal Server.



CAUSE
This problem occurs when a registry setting that points to the Program Files\Common Files folder is overwritten with the incorrect entry.



RESOLUTION
WARNING: 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.

 From the Start menu, click Run, type Regedt32.exe, and then click OK to open Registry Editor. Change the following registry key to point to your Program Files\Common Files folder:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion

 Quit Registry Editor.

