Error message when an application calls the RegisterTypeLib API to register a type library in Windows Vista: "Access denied"

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Article ID: 935200 - View products that this article applies to.
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SYMPTOMS

Consider the following scenario. In an application that is running on a Windows Vista-based computer, you try to map the
HKEY_CLASSES_ROOT
registry subtree to another registry subtree. For example, you try to map the
HKEY_CLASSES_ROOT
registry subtree to the
HKEY_CURRENT_USER
registry subtree. When the application calls the RegisterTypeLib API to register a type library, you may receive the following error message:
Access denied
Additionally, the RegisterTypeLib API returns the TYPE_E_REGISTRYACCESS (0x8002801c) value.

This problem occurs if User Account Control (UAC) is enabled, and the application is running under the Limited User Account.

RESOLUTION

Service pack information

To resolve this problem, obtain the latest service pack for Windows Vista. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
935791 How to obtain the latest Windows Vista service pack

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.After you install this hotfix, you must enable the hotfix. See the "Enable the hotfix" section for more information.

Prerequisites

You must have Windows Vista installed to apply this hotfix.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
Windows Vista, x86-based versions
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File nameFile versionFile sizeDateTimePlatform
X86_4bbe5d294834975fb80c47470752adb1_31bf3856ad364e35_6.0.6000.20604_none_dea9a3d5aecfc0a3.manifestNot applicable70223-May-200719:26Not applicable
X86_microsoft-windows-ole-automation_31bf3856ad364e35_6.0.6000.20604_none_bba787f5176daa36.manifestNot applicable88,60923-May-200719:28Not applicable
Oleaut32.dll6.0.6000.20604558,59223-May-200704:43x86
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
X86_4bbe5d294834975fb80c47470752adb1_31bf3856ad364e35_6.0.6000.20604_none_dea9a3d5aecfc0a3.manifestNot applicable70223-May-200719:26Not applicable
X86_microsoft-windows-ole-automation_31bf3856ad364e35_6.0.6000.20604_none_bba787f5176daa36.manifestNot applicable88,60923-May-200719:28Not applicable
Oleaut32.dll6.0.6000.20604558,59223-May-200704:43x86
Update.mumNot applicable2,00123-May-200719:26Not applicable
Windows Vista, 64-bit versions
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Amd64_4a6574fa45a2d59d7249caa900399476_31bf3856ad364e35_6.0.6000.20604_none_cd312e3fb1af0597.manifestNot applicable70623-May-200719:26Not applicable
Amd64_65563c6fd47be510b29634938ca65f92_31bf3856ad364e35_6.0.6000.20604_none_21b539ccf0659813.manifestNot applicable70623-May-200719:26Not applicable
Amd64_microsoft-windows-ole-automation_31bf3856ad364e35_6.0.6000.20604_none_17c62378cfcb1b6c.manifestNot applicable86,22723-May-200719:33Not applicable
Package_1_for_kb935200~31bf3856ad364e35~amd64~~6.0.1.0.mumNot applicable1,79523-May-200719:26Not applicable
Package_2_for_kb935200~31bf3856ad364e35~amd64~~6.0.1.0.mumNot applicable2,01223-May-200719:26Not applicable
Update.mumNot applicable1,90923-May-200719:26Not applicable
Wow64_microsoft-windows-ole-automation_31bf3856ad364e35_6.0.6000.20604_none_221acdcb042bdd67.manifestNot applicable86,47523-May-200719:33Not applicable
Oleaut32.dll6.0.6000.20604867,84023-May-200705:54x64
Oleaut32.dll6.0.6000.20604558,59223-May-200704:43x86

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. This problem was first corrected in Windows Vista Service Pack 1.

MORE INFORMATION

Enable the hotfix

After you install this hotfix, you must use one of the following methods to enable the hotfix.

Method 1

This hotfix adds a new API. Before the application calls the RegisterTypeLib API, the application can call the void OaEnablePerUserTLibRegistration function to enable the RegisterTypeLIb API to use the appropriate override mapping. The OaEnablePerUserTLibRegistration function is exported from the Oleaut32.dll file. You must reference this file by using Run-Time Dynamic Linking and by using the GetProcAddress function. For more information about the GetProcAddress function and about Run-Time Dynamic Linking, visit the following Microsoft Web site:
http://msdn2.microsoft.com/en-us/library/ms686944.aspx

Method 2

After you install the hotfix, the RegisterTypeLib API will check the OAPERUSERTLIBREG environment variable. If the value of the OAPERUSERTLIBREG variable is 1, the RegisterTypeLIb API will use the appropriate override mapping. Because this environment variable is read during the initialization of the DLLMain function, you must set this environment variable before you run the application. To do this, run one of the following commands at a command prompt:
  • set OAPERUSERTLIBREG=1
  • start cmd.exe /c "set OAPERUSERTLIBREG=1 && MyApp.exe"

    Note The MyApp.exe placeholder points to the application that you want to run.
Note The first command only sets the environment variable. The second command sets the environment variable and then runs the application. If you use the first command, you must also run the application at this command prompt.
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates

REFERENCES

For more information about the
HKEY_CLASSES_ROOT
registry subtree, visit the following Microsoft Web site:
http://msdn2.microsoft.com/en-us/library/ms724475.aspx
For more information about the RegisterTypeLib API, visit the following Microsoft Web site:
http://msdn2.microsoft.com/en-us/library/ms221570(vs.71).aspx

Properties

Article ID: 935200 - Last Review: October 8, 2011 - Revision: 5.0
APPLIES TO
  • Microsoft COM+ 1.5, when used with:
    • Windows Vista Enterprise
    • Windows Vista Enterprise 64-bit Edition
    • Windows Vista Ultimate
    • Windows Vista Ultimate 64-bit Edition
    • Windows Vista Business
    • Windows Vista Business 64-bit Edition
    • Windows Vista Home Premium
    • Windows Vista Home Premium 64-bit Edition
    • Windows Vista Home Basic
    • Windows Vista Home Basic 64-bit Edition
Keywords: 
kbautohotfix kbvistasp1fix kbexpertiseadvanced kbfix kbqfe kbHotfixServer KB935200

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