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Part 3: Windows Server 2003 Upgrades and Migrations Microsoft Windows Server 2003 Inside Out Wizard; thus, only the dialog boxes unique to the Group Mapping and Merging Wizard are displayed in this section. Refer to the section entitled Migrating Group Accounts earlier in the chapter to see the remaining dialog boxes. Follow these steps to merge groups from the source domain into a group in the destination domain: 1 Choose to test or migrate The Group Mapping and Merging Wizard begins by allowing you to select whether you want to test the merging or actually do the merging of groups. Select the Test The Migration Settings And Migrate Later option to run the merge in Test mode or choose the Migrate Now option to actually perform the group merge operation. Testing prior to running the actual merge is recommended. 2 Select the domains The Domain Selection dialog box next prompts you to select or enter the names (DNS or NetBIOS) of the source and destination domains (if the destination domain is the forest root, you must provide the DNS name). 3 Select the groups In the Source Group Selection dialog box, you select the groups to merge from the source domain into the group in the destination domain. To do this, click Add, click Advanced, and then click Find Now, which will provide the list of groups that you can merge. Choose the groups to merge, and then click OK twice to add the groups. 4 Choose the target group Next, you must select the target group into which to merge the groups from the source domain, as shown in the following screen. Type in the name of the target group or click Browse to select a group. Chapter 9 5 Select the OU You next must select the OU in which the target group will reside. 276
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Part 3: Windows Server 2003 Upgrades and Migrations Migrating to Windows Server 2003 7 Exclude object properties When migrating a Windows 2000 or Windows Server 2003 computer, you can choose to exclude properties of computer objects during migration. By default, all computer object properties are included. 8 Handling naming conflicts In the event of a conflict with computer names in the destination domain, you can specify how you want the Computer Migration Wizard to deal with it. By default, the Replace Conflicting Accounts option is selected, which provides two options: You can select Remove Existing User Rights, to remove rights assigned in the destination domain that don t exist in the source domain, or Move Replaced Accounts To Specified Target Organizational Unit, which overwrites accounts in the destination domain with account data from the source domain. Alternatively, you can select the Rename Conflicting Accounts By Adding The Following option to rename the computer accounts by adding a prefix or suffix to the account name. The summary of the migration information is displayed. Verify the computer migration is configured correctly before clicking Finish to complete the wizard. If you are running in Test mode, verify that the line Changes Will Not Be Written is present, which indicates that this migration is running in Test mode and will not actually perform the requested changes. Merging Groups during Migration To merge groups from the source domain into a group in the destination domain, run the Group Mapping and Merging Wizard on the Action menu in ADMT. The Group Mapping and Merging Wizard uses many of the same dialog boxes as the Group Account Migration Chapter 9
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Part 3: Windows Server 2003 Upgrades and Migrations Microsoft Windows Server 2003 Inside Out Note You cannot migrate domain controllers by using this wizard. To move a Windows NT domain controller to a new Windows Server 2003 domain, the domain controllers must be upgraded to Windows Server 2003 and must be joined to the new domain during the upgrade process. Windows 2000 domain controllers can be demoted from their domain controller mode to the status of member servers, then can be promoted to the status of domain controller by using Dcpromo, and finally can be joined to the new domain during that process. 4 Select the target OU You must next select the OU to which the computer accounts are to be migrated. 5 Choose objects to translate The Translate Objects dialog box, as shown in the following screen, allows you to select the objects on the source computer for which you want to migrate the security settings. That is, it translates the ACLs on the selected objects to corresponding ACLs on the computer in the destination domain. These objects include files and folders, printers, shares, local groups, and the registry, as well as user profiles and user rights. No objects are selected by default (thus, you can opt to migrate the computer without migrating any of the related security settings). Chapter 9 6 Select computer options The options in the Computer Options dialog box, as shown in the following screen, specify how the computer is handled postmigration, including how long it waits before it reboots and how it performs the renaming of the computer (if at all). 274
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Part 3: Windows Server 2003 Upgrades and Migrations Migrating to Windows Server 2003 Migrating the Computers Not all computers can be migrated to a new domain specifically, you cannot migrate domain controllers to a new domain. To move Windows NT domain controllers to a new Windows Server 2003 domain, the domain controllers must be upgraded to Windows Server 2003 and must join the new domain during the upgrade process. Windows 2000 domain controllers can be demoted from their domain controller mode to the status of member servers, and then you can use the Dcpromo utility to promote them to the status of domain controller and to join the new domain during that process. Moving workstations and member servers to the destination domain automatically moves most of their information with them. The local Security Account Manager (SAM) databases (containing local user and group accounts) on member servers and client workstations are moved with the computer account during the migration process. Yet computer descriptions are not migrated from Windows NT workstations and member servers because that information isn t part of the SAM database. Whereas, with migrated Windows 2000 servers and workstations, computer descriptions are migrated with the computer accounts. Running the Computer Migration Wizard To migrate computer accounts, run the Computer Migration Wizard on the Action menu in ADMT. The security information (SIDs in the ACLs and secure ACLs) on accounts and objects in the same domain as the computer are migrated as part of the computer migration. Yet accounts (or objects) not part of the same domain as the computer will not have security information migrated. The Computer Migration Wizard shares many dialog boxes in common with the Group Account Migration Wizard; therefore, only the dialog boxes unique to the Computer Migration Wizard are shown in this section. Refer to the section entitled Migrating Group Accounts earlier in this chapter to see the remaining dialog boxes. To run the Computer Migration Wizard to migrate computer accounts, complete the following steps: 1 Choose to test or migrate When the Computer Migration Wizard starts, choose to test the computer account migration or to migrate the actual computer accounts by selecting either the Test The Migration Settings And Migrate Later option or the Migrate Now option. Testing the computer account migration enables you to identify and correct errors before an actual migration. 2 Pick the domains Next you must select or supply the source and destination domain names, which can be provided either as DNS or NetBIOS names (except for the forest root, which requires the DNS name). 3 Choose the computers The Computer Selection dialog box next prompts you to select the computers to migrate. To include the computers in the migration list, click Add, click Advanced, click Find Now, and then select the computers from the displayed list. Chapter 9
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Part 3: Windows Server 2003 Upgrades and Migrations Microsoft Windows Server 2003 Inside Out To prepare the destination domain for password migration, complete the following steps: 1 Modify the Default Domain Policy to enable the Everyone permissions for anonymous users. To access the policy, start Active Directory Users and Computers. Right-click the domain you want to work with, and select Properties. In the Group Policy tab of the Properties dialog box, select the domain policy, and click Edit. This displays the Group Policy Object Editor. In the Group Policy Object Editor, select Computer Configuration, Windows Settings, Security Settings, Local Policies, Security Options, and then double-click Network Access: Let Everyone Permissions Apply To Anonymous Users. In the policy dialog box, select Define This Policy Setting, choose Enabled, and then click OK. 2 On the target domain controller, locate the Pre Windows 2000 Compatible Access group in the Builtin container, add Everyone to it, and reboot the domain controller. Chapter 9 Tip If the destination (target) domain is a Windows NT 4 domain, the Password Export Server must have 128-bit high encryption pack support installed (which is included by default in Windows 2000 Server and Windows Server 2003 products). 3 Create the ADMT encryption key disk by changing to the drive and folder where ADMT is installed and running ADMT with the Key parameter from the command- line. Use the following syntax: ADMT key
where is the NetBIOS name of the source domain from which the migration information will be collected is the drive letter to which to write the password file
is the password for the file (if you use * [asterisk], the system will prompt for the password) Once you have performed the preceding steps to prepare the target domain, you next must prepare the source domain for password migration as follows: 1 Use the Password Migration tool (Pwdmig.exe in the I386ADMTPwdmig directory on the Windows Server 2003 distribution CD), and insert the floppy disk with the encryption key created on the target domain when prompted. 2 Then set up a BDC as a Password Export Server that will be used during the migration process (the BDC must also have the 128-bit high encryption pack and be running Service Pack 5 or later). To do this, modify the registry on the BDC at HKLMSYSTEMCurrentControlSetControlLsa, set the AllowPasswordExport value to 1, and then reboot the BDC. Once this preparation has been done, you can specify the Password Export Server during user account migration to have the user passwords migrated at the same time. 272
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Part 3: Windows Server 2003 Upgrades and Migrations Migrating to Windows Server 2003 9 Exclude object properties When migrating a Windows 2000 or Windows Server 2003 domain, you can include or exclude the properties of the user objects during the migration. By default, all properties for user objects (user and InetOrgPerson in Windows Server 2003) are included. 10 Manage naming conflicts Configuring how the naming conflicts are managed lets you specify how user accounts are migrated. You can select the Ignore Conflicting Accounts And Don t Migrate option, or you can opt to replace or rename migrated user accounts. If you select the Replace Conflicting Accounts option, you have three choices: You can select the Remove Existing User Rights option, which instructs the wizard to remove any rights assigned to the user account in the destination domain that the user didn t have in the source domain. You can select the Remove Existing Members Of Groups Being Replaced option to make the destination group membership match the source group membership. You can select the Move Replaced Accounts To The Specified Target Organizational Unit option, which instructs the wizard to overwrite the user account information in the destination domain with the information from the source domain. By selecting the Rename Conflicting Accounts By Adding The Following option, you can rename the user accounts by adding a prefix or suffix to the source domain user account name. Next, the user migration information is summarized. Verify that the migration is configured the way you intend before you click Finish to begin the migration. If you are running in Test mode, verify that the line Changes Will Not Be Written is present. This line indicates that this migration is running in Test mode and will not actually perform the requested changes. When the migration is complete, summary totals are shown and you can review the migration log list of every user and group account migrated, including a description of the action taken or related warning/error message. This log is located in the Program FilesActive Directory Migration ToolLogs folder and is named Migration.log (previous Migration.log files are renamed as Migration 0001.log, Migration 0002.log, etc.). Especially if you have migration errors, you should review the migration log file and the audit information by using Event Viewer to assess the overall success of the user account migration. Migrating Passwords ADMT supports the migration of user passwords; however, it requires a bit of setup on the source and destination domain controllers. Evaluate the password policy on the destination domain and determine whether the passwords in the user and service accounts that you re going to migrate meet the minimum password requirements for the new domain. If migrated user accounts don t meet the minimum requirements, users will be required to change their passwords at the next logon. Chapter 9
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Part 3: Windows Server 2003 Upgrades and Migrations Microsoft Windows Server 2003 Inside Out 6 Set the account transition options These options tell the wizard how to move the user accounts between domains. You can enable or disable target accounts or allow target accounts to inherit account status in the source domain. You can also disable the source user accounts postmigration or wait a set number of days before disabling the accounts. The wizard will also migrate SIDs for source domain user accounts if you select the Migrate User SIDs To Target Domain option. 7 Access authorization When the source domain is a Windows NT 4 domain, credentials are required to authorize the migration (a user account that belongs to the Domain Admins group is required). 8 Select user options The User Options dialog box (as shown in the following screen) enables you to control how user accounts are handled as follows: The Translate Roaming Profiles option (selected by default) migrates the roaming profiles to the destination domain. The Update User Rights option (selected by default) migrates user rights from the source domain to the destination domain. The Migrate Associated User Groups option lets you migrate groups from the source domain of which the user accounts are members. When you opt to let the wizard migrate the groups to which the users belong, you can select the Update Previously Migrated Objects option to enable repeated migration of the same set of users and groups during a migration that is performed progressively over time. The Fix Users Group Membership option causes the wizard to add users to all groups in the destination domain that the users are members of in the source domain. You can also specify how user account names are handled (this action defaults to Do Not Rename Accounts), or you can specify a prefix or suffix to be used. Chapter 9 270
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Part 3: Windows Server 2003 Upgrades and Migrations Migrating to Windows Server 2003 2 Select the domains The Domain Selection dialog box next prompts you to select or enter the names (DNS or NetBIOS) of the source and destination domains (if the destination domain is the forest root, you must provide the DNS name). 3 Select the users The Select Users dialog box prompts you to select the users that you want to migrate. To add users, click Add, click Advanced, click Find Now, and then select the users to migrate (you can hold down the Ctrl key while clicking to select multiples or hold down the Shift key while clicking to select a range). 4 Choose the OU You are next prompted to select the OU to which the users should be migrated. 5 Select password options You next set the password options, choosing whether to require complex passwords, reset the password as the user name, or migrate passwords (as shown in the following screen). You can prevent users from having to provide a new password after migration by having the wizard migrate the passwords. If you select the Migrate Passwords option, you must specify the name of the source domain controller in the Password Migration Source DC box. Once the source is selected, the wizard expects to find a domain controller configured as a Password Export Server. Chapter 9 The setup for password migration has several requirements (refer to the section entitled Migrating Passwords later in this chapter for details on how to configure this): The Everyone account must be a member of the Pre Windows 2000 Compatible Access group. The source domain controller must have the 128-bit high encryption pack installed and also must have the encryption key from the destination domain controller. 269
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Part 3: Windows Server 2003 Upgrades and Migrations Chapter 9 Microsoft Windows Server 2003 Inside Out The migration log begins by listing the process configuration information as follows: 2004-08-27 00:02:23 Active Directory Migration Tool, Starting… 2004-08-27 00:02:23 Starting Account Replicator. 2004-08-27 00:02:23 Account MigrationWriteChanges:No NETMAGES CPANDI CopyUsers:Yes CopyGlobalGroups:Yes CopyLocalGroups:Yes CopyComputers:No StrongPwd:All The migration log continues by listing each group and user processed and reports the results and specifies any errors or warnings. You can use the Notepad search functionality to identify the actions taken for a specific group or user. This information is stored as Migration.log in the Program FilesActive Directory Migration ToolLogs folder. Migrating User Accounts Clearly, migrating user accounts is one of the core elements of domain migration, and the process takes several steps. First, the new user object must be created within the destination domain. Only then can properties of the user objects be transferred (because you cannot reference a property on an object prior to the object existing in the directory). Before migrating user accounts, you should consider whether you must migrate passwords for the accounts. If you do, you should perform the password migration steps first, and then perform the user account migration. An important contingency in a migration of user accounts is whether to migrate the SIDs for the user accounts to the destination domain (which creates or updates the SID history). Without the migration of the SIDs, user accounts are unable to access the network resources to which they previously had access. You must run the Security Translation Wizard to reinstate user access to network resources. Running the User Account Migration Wizard To migrate user accounts, run the User Account Migration Wizard on the Action menu in ADMT. This wizard uses many of the same dialog boxes as the Group Account Migration Wizard; thus, only dialog boxes unique to the User Account Migration Wizard are shown in this section. Refer to the section entitled Migrating Group Accounts earlier in this chapter to see the remaining dialog boxes. Follow these steps to migrate user accounts: 1 Choose to test only or migrate When the User Account Migration Wizard starts, you must specify whether you want to test the effects of migrating users or actually migrate them by selecting either the Test The Migration Settings And Migrate Later option or the Migrate Now option. Prior to running the actual migration, you should run a migration test on the user accounts. 268
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Part 3: Windows Server 2003 Upgrades and Migrations Migrating to Windows Server 2003 Tip Although requiring complex passwords improves network security, to prevent users from having to enter a new password upon migration, you can choose to have the wizard migrate the passwords just as they exist. 10 Select account transition options Next you must decide how to handle source and destination (target) versions of group accounts in the Group Member Transition Options dialog box (as shown in the following screen). Chapter 9 In the Target Account State section, you can enable or disable target accounts or set the target accounts to mirror the state of the account in the source domain (by default, target accounts are enabled). In the Source Account Disabling Options section, you can choose to disable the source accounts immediately or specify a predefined period of time (in days) to wait before disabling the source accounts. You can also choose to translate roaming profiles of the users in the source domain and migrate the profiles. After you have selected the group migration options, they are summarized in the Task Description window of the final dialog box before the group migration is performed. Read these items to verify that they reflect what you want to do. For example, the Changes Will Not Be Written line indicates that this migration is running in Test mode and will not actually perform the requested changes. When you click Finish, a progress dialog box is displayed that allows you to set the refresh rate for displaying the migration progress. Once the migration has completed, the Progress dialog box displays the summary totals and the View Log button is enabled, allowing you to review the migration log for any errors. When you click View Log, the migration log is displayed in Notepad.
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