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Remigrating Global Groups

Updated: March 28, 2003

Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2

A large user account migration might take place over an extended period of time. For this reason, you might need to remigrate global groups from the source to the target domain to reflect changes made to the groups in the source domain after the initial global group migration occurred. This procedure updates global group membership without overwriting previously migrated user accounts.

noteNote
Do not migrate global groups during peak work hours. The global group migration process consumes a large amount of network resources and resources on the domain controller that is running ADMT.

You can migrate global groups by using the Active Directory Migration Tool console, by using the ADMT command-line option, or by using a script.

To remigrate global groups from a Windows NT 4.0 source domain by using the ADMT console

  1. On the domain controller in the target domain on which ADMT is installed, log on by using the ADMT account migration account.

  2. Open the Active Directory Migration Tool console, and select Group Account Migration Wizard.

  3. Complete the Group Account Migration Wizard by using the information provided in Table 10.16.

    Table 10.16   Using the Group Account Migration Wizard to Remigrate Groups

     

    Wizard Page Action

    Test or Make Changes

    Select Migrate Now?

    Domain Selection

    In the Source domain box, type the NetBIOS name of the source domain or select the name from a list.

    In the Target domain box, type the NetBIOS or DNS name of the target domain.

    If ADMT includes the names of the source and target domains, ensure that they are correct.

    Group Selection

    Click Add.

    In the Select Groups dialog box, select all global groups that you want to migrate (except built-in groups), click Add, and then click OK.

    Organizational Unit Selection

    Type in the name of the OU or click Browse.

    In the Browse for Container dialog box, find the container in the target domain you want to move the global groups into, and then click OK.

    Group Options

    Select Update user rights.

    Ensure that Copy group members is not selected.

    Ensure that Update previously migrated objects is not selected.

    Select Fix membership of group.

    Select Migrate Group SIDs to target domain.

    Select Do not rename accounts.

    User Account

    Enter User name, Password, and Domain of an account that has administrative rights in the source domain.

    Naming Conflicts

    Select Replace conflicting accounts.

    Select Remove existing user rights.

    Select Remove existing members of groups being replaced.

    Ensure that Move replaced accounts to specified target Organizational Unit is not selected.

  4. When the wizard has finished running, click View Log and review the migration log for any errors.

  5. Start Active Directory Users and Computers, and then navigate to the target OU. Verify that the global groups exist in the target domain OU.

To remigrate global groups from a Windows NT 4.0 source domain by using the ADMT command-line option

  1. On the domain controller in the target domain on which ADMT is installed, log on using the ADMT account migration account.

  2. At the command line, type:

    
                  ADMT GROUP /N “
                  group_name1
                  ” “
                  group_name2
                  ” /SD:”
                  source_domain
                  ” /TD:”
                  target_domain
                  ” /TO:”
                  target_OU
                  ” /MSS:YES /UGR:YES /MMS:NO /CO:REPLACE+REMOVEUSERRIGHTS+REMOVEMEMBERS
                
    

    Alternatively, you can include parameters in an option file that is specified on the command line as follows:

    
                  ADMT GROUP /N “
                  group_name1
                  ” “
                  group_name2
                  ” /O: “
                  option_file.txt
                  ”
                
    

    Table 10.17 lists the parameters required for remigrating global groups, along with the command-line parameter and option file equivalents.

    Table 10.17   Parameters Required for Global Group Remigrations

     

    Parameters Command-Line Syntax Option File Syntax

    Source domain

    /SD:"source_domain"

    SourceDomain="source_ domain"

    Target domain

    /TD:"target_domain"

    TargetDomain="target_ domain"

    Target OU location

    /TO:"target_OU"

    TargetOU="target_OU"

    Migrate GG SIDs

    /MSS:YES

    MigrateSIDs=YES

    Do not rename accts

    /RO:DONT (default)

    RenameOption=DONT

    Update user rights

    /UGR:YES

    UpdateGroupRights=YES

    Copy group members

    /MMS:NO

    MigrateMembers=NO

    Ignore conflicting accts and do not migrate them

    /CO:REPLACE+REMOVEUSER RIGHTS+REMOVEMEMBERS

    ConflictOptions=REPLACE+REMOVEUSERRIGHTS+REMOVE MEMBERS

  3. Review the results that are displayed on the screen for any errors.

  4. Start Active Directory Users and Computers, and then navigate to the target OU. Verify that the global groups exist in the target domain OU.

To remigrate global groups by using a script

  • Prepare a script that incorporates ADMT commands and options for remigrating global groups by using the sample script shown in Listing 10.9.

    Listing 10.9   Remigrating Global Groups

    <Job id=" RemigratingGlobalGroupsNTSource" >
    <Script language=" VBScript"  src=" AdmtConstants.vbs" />
    <Script language=" VBScript" >
       Option Explicit
    
       Dim objMigration
       Dim objGroupMigration
    
       '
       'Create instance of ADMT migration objects.
       '
       Set objMigration = CreateObject(" ADMT.Migration" )
       Set objGroupMigration = objMigration.CreateGroupMigration
    
       '
       'Specify general migration options.
       '
       objMigration.SourceDomain = " source domain" 
       objMigration.TargetDomain = " target domain" 
       objMigration.TargetOu = " target container" 
       objMigration.ConflictOptions = admtReplaceConflicting + _
      admtRemoveExistingUserRights + admtRemoveExistingMembers
    
       '
       'Specify group migration specific options.
       '
       objGroupMigration.MigrateSIDs = True
       objGroupMigration.UpdateGroupRights = True
       objGroupMigration.UpdatePreviouslyMigratedObjects = False
       objGroupMigration.FixGroupMembership = True
       objGroupMigration.MigrateMembers = False
       
       '
       'Migrate specified group objects.
       '
       objGroupMigration.Migrate admtData, Array(" group name1" ," group name2" )
    
       Set objGroupMigration = Nothing
       Set objMigration = Nothing
    </Script>
    </Job>
    
    

    For a script file to assist you in creating a script to migrate global groups, see "Remigrating Global Groups — Windows NT 4.0 Source" (DSSRENT_11.wsf) on the Windows Server 2003 Deployment Kit companion CD (or see "Remigrating Global Groups — Windows NT 4.0 Source" on the Web at http://www.microsoft.com/reskit).

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