Article ID: 216290 - Last Review: August 4, 2006 - Revision: 5.0 Determining the version of ADSI that is installed on your computerThis article was previously published under Q216290 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
(http://support.microsoft.com/kb/256986/
)
Description of the Microsoft Windows Registry On This PageINTRODUCTIONDepending on the operating system, a variety of different
versions of Active Directory Service Interfaces (ADSI) can be installed on a
computer. This article describes techniques that you can use to determine which
version is currently installed. MORE INFORMATIONWarning 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. In Microsoft Windows 2000, ADSI is a system component. Because of Windows File Protection, ADSI cannot be installed over or deleted. In Microsoft Windows 95, Microsoft Windows 98, and Microsoft Windows NT 4.0, ADSI is a separately installed component. The Active Directory Client Extensions (DSClient) is the replacement for ADSI 2.x. There are two versions of the DSClient:
Examine the registryRecent versions of ADSI install the following registry key that contains the current version number:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{E92B03AB-B707-11d2-9CBD-0000F87A369E} The following table relates ADSI versions with the values that may
be found in this registry key: Version Value ---------------- -------- Earlier than 2.5 n/a 2.5 2,5,00,0 Windows 2000 5,0,00,0 DSClient for 9x 5,0,00,0 DSClient for NT This registry value will not be created or updated. HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ADs If the previous key is present, ADSI 2.0 is installed. If this key is not present, look then for the following key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ADs
If this key is present, ADSI is installed. If this key is not
present, you may have a incorrect installation or no ADSI installation at all. Examine the file systemADSI installs several DLLs and a type library into the system root folder of the computer. On a Windows NT-based computer or a Windows 2000-based computer, this folder is typically the \Winnt\System32 folder. On a Windows 95-based computer or a Windows 98-based computer, the folder is the \Windows\System folder.The following tables match ADSI files together with their corresponding version: Collapse this table
Collapse this table
Beta versions of ADSI 2.5 were also available from the Web before the official release of ADSI 2.5. The version numbers for ADSI 2.5 are in the syntax 4.1.25X.1, where X has the value 0 (zero) in the initial Beta release up through a value of 8 for the final release build. You must upgrade prerelease versions of ADSI 2.5 to the release build. REFERENCES For more information about ADSI, visit the following
Microsoft Web site: http://www.microsoft.com/technet/prodtechnol/windows2000serv/technologies/activedirectory/default.mspx
(http://www.microsoft.com/technet/prodtechnol/windows2000serv/technologies/activedirectory/default.mspx)
For more information, click the following
article number to view the article in the Microsoft Knowledge Base: 223048
(http://support.microsoft.com/kb/223048/
)
FIX: Using ADO with ADSI returns "Error 800a01ad (429)"
216709
(http://support.microsoft.com/kb/216709/
)
ADSI 2.0, 2.5, and MDAC 2.1 compatibility issues
251287
(http://support.microsoft.com/kb/251287/
)
Error message: Incorrect INF file syntax in section "CheckForPrevVer"
288358
(http://support.microsoft.com/kb/288358/
)
How to install the Active Directory client extension
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