PRB: Oleaut32.dll Does Not Register When You Install MDAC 2.5 (298194)


The information in this article applies to:

  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Advanced Server
  • Microsoft Windows 2000 Professional
  • Microsoft Windows 2000 Datacenter Server
  • Microsoft Data Access Components 2.5
  • Microsoft Windows NT Advanced Server 4.0
  • Microsoft Windows NT Server 4.0
  • Microsoft Windows NT Workstation 4.0
This article was previously published under Q298194
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

After you install Microsoft Data Access Components (MDAC) 2.5, you may receive the following error message:
Error registering the OCX C:\Winnt\System32\Oleaut32.dll.

CAUSE

This problem can occur when you do not have administrative permissions to register Oleaut32.dll.

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.

To resolve this issue, follow these steps:
  1. Start Registry Editor (Regedt32).
  2. Locate and select the following subkey:

    HKEY_CLASSES_ROOT\Interface

  3. On the Security menu, click Permissions.
  4. Set the local Administrator to Full control and select the Allow inherited permissions from parent to propagate to this object check box.
  5. If the local Administrator is not present, click Add to add the Administrator.
You can now install MDAC 2.5.

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

REFERENCES

For additional information, click the article number below to view the article in the Microsoft Knowledge Base:

177514 PRB: Installing MDAC/ADO/RDS on Windows NT Requires Admin Privileges

259569 PRB: Installing Third-Party Product Breaks Windows 2000 MDAC Registry Settings

268553 PRB: Visual Studio, Office Developer's Kit Installation Problems Occur If Crystal Reports 8 Is Installed

Modification Type:MajorLast Reviewed:12/15/2003
Keywords:kbprb KB298194
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