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Install the Schema Snap-In

Updated: October 15, 2008

Applies To: Windows Server 2008, Windows Server 2008 R2

Before you can install the Active Directory Schema snap-in, must either install the Active Directory Domain Services (AD DS) server role or the Windows Server 2008 Remote Server Administration Tools (RSAT) for Windows Vista Service Pack 1 (SP1). For download and installation information about RSAT, see article 941314 in the Microsoft Knowledge Base (http://go.microsoft.com/fwlink/?LinkID=116179).

You can use this procedure to first register the dynamic-link library (DLL) that is required for the Active Directory Schema snap-in. You can then add the snap-in to Microsoft Management Console (MMC).

Membership in Domain Admins, or equivalent, is the minimum required to complete this procedure. Review details about using the appropriate accounts and group memberships at Local and Domain Default Groups (http://go.microsoft.com/fwlink/?LinkId=83477).

  1. Open a Command Prompt as an administrator: Click Start, click All Programs, click Accessories, right-click Command Prompt, and then click Run as administrator. If the User Account Control dialog box appears, provide Domain Admins credentials, and then click Continue.

  2. At the command prompt, type the following command, and then press ENTER:

    regsvr32 schmmgmt.dll

  3. A message indicates that the command succeeded. Click OK.

  4. Click Start, click Control Panel, click Appearance, and then click Show hidden files and folders.

  5. On the View tab, click Show hidden files, folders, and drives, and then click OK.

  6. Click Start, click Run, type mmc, and then click OK.

  7. On the File menu, click Add/Remove Snap-in.

  8. Under Available snap-ins, click Active Directory Schema, click Add, and then click OK.

  9. To save this snap-in, on the File menu, click Save.

  10. In the Save As dialog box, do one of the following:

    • To place the snap-in in the Administrative Tools folder, in File name, type a name for the snap-in, such as Active Directory Schema. In Save in, navigate to the following folder:

      %systemroot%/ProgramData/Microsoft/Windows/Start Menu/Programs/Administrative Tools

      Click Save.

    • To save the snap-in in a location other than the Administrative Tools folder, in Save in, navigate to a location for the snap-in. In File name, type a name for the snap-in, and then click Save.

CautionCaution
Modifying the schema is an advanced operation that is best performed by experienced programmers and system administrators. For detailed information about modifying the schema, see Active Directory Schema (http://go.microsoft.com/fwlink/?LinkId=80809).

Additional considerations

  • To perform the Schmmgmt.dll registration portion of this procedure, you must be a member of the Domain Admins group in the domain or the Enterprise Admins group in the forest, or you must have been delegated the appropriate authority. Adding the Active Directory Schema snap-in to MMC requires only membership in the Domain Users group. However, making changes to the schema requires membership in the Schema Admins group.

  • The Windows Server 2008 Administration Tools Pack cannot be installed on computers running Windows XP Professional or Windows Server 2003.

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