Make a system state backup of at least two domain controllers in every domain in the forest. You can use the backup to recover all the domains in the forest if the upgrade doesn't work. An attribute becomes "mangled" if "Dup" or other unique characters are added to the beginning of the conflicted attribute name so that objects and attributes in the directory have unique names. Log on to the console of the schema operations master by using an account that is a member of the Schema Admins security group.
Click Start , click Run , type notepad. Copy the following text including the trailing hyphen after "schemaUpdateNow: 1" to Notepad.
On the File menu, click Save. In the Save As dialog box, follow these steps:. COM would be:. To identify mangled names, use Ldp. Install Ldp. Record the distinguished name path for the SchemaNamingContext attribute. For example, for a domain controller in the CORP. Extract the InetOrgPersonFix. From the console of the schema operations master, load the InetOrgPersonFix. Verify that the houseIdentifier, secretary, and labeledURI attributes in the schema naming context are not "mangled" before you install Exchange New Schema objects and attributes like inetOrgPersonThe adprep utility supports two command-line arguments:.
You can upgrade the Windows member servers and computers to Windows Server member computers whenever you want. Promote new Windows Server domain controllers into the domain by using Dcpromo.
Even if you run forestprep and domainprep several times, completed operations are performed only one time. Also, you can add new Windows Server domain controllers to the domain by using Dcpromo. To prepare a Windows forest and domains to accept Windows Server domain controllers, follow these steps first in a lab environment, then in a production environment:.
Make sure that you've completed all the operations in the "Forest Inventory" phase with special attention to the following items:. Log on to the console of the schema operations master with an account that is a member of the Schema Admins security group.
Real-world experience suggests that this step isn't necessary and may cause a schema operations master to reject schema changes when it's restarted on a private network. Run adprep on the schema operations master. To do so, click Start , click Run , type cmd , and then click OK. On the schema operations master, type the following command:. This command runs the forest-wide schema upgrade. Events with event ID that are logged in the Directory Service event log, such as the sample that follows, can be ignored:.
Record the value of the Revision attribute. The fully qualified path for Adprep. To do so, type the following command:. The logged on user who runs adprep has membership to the Schema Admins security group. If adprep still doesn't work, view the Adprep.
To do this, following these steps:. It's useful to monitor the following attributes:. If you find mangled names, go to Scenario 3 of the same article. Log on to the console of the schema operations master with an account that is a member of the Schema Admins group security group of the forest that hosts the schema operations master.
To do so, follow these steps:. Identify the infrastructure master domain controller in the domain you're upgrading, and then log on with an account that is a member of the Domain Admins security group in the domain you're upgrading. The enterprise administrator may not be a member of the Domain Admins security group in child domains of the forest.
This command runs domain-wide changes in the target domain. These modifications cause a full synchronization of files in that directory tree. Repeat steps on the infrastructure master of the remaining domains in bulk or as you add or upgrade DCs in those domains to Windows Server The following computers must be among the first domain controllers that run Windows Server in the forest in each domain:. Windows upgrades only. Install any hotfix files or other fixes that either Microsoft or the administrator determines is important.
Check each domain controller for possible upgrade issues. If Windows NT 4. You may receive the following event message after you upgrade: You can safely ignore this event message. Make sure that you reinstall this file. Make new backups of at least the first two Windows domain controllers that you upgraded to Windows Server in each domain in the forest.
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