Simply uninstalling an Exchange server is different from uninstalling the last Exchange server in your environment. Rerunning the forest and domain prep operations is recommended, with the intent of allowing Exchange to be reinstalled or installed at a later date.
If you're certain you won't, then, strictly speaking, you don't need to prep the domain and forest again, but given the triviality of the operation and the fact that your schema has already been extended to allow the Exchange install in the first place , I see no reason not to.
Rerun the forest and domain prep to leave the environment in a proper, pristine state for the next guy or your future self, because it's a good idea, and there's no drawback to doing so. Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. Ask Question. Asked 7 years, 8 months ago. Active 7 years, 8 months ago. Viewed times. Improve this question.
When this is the case, you do not need to manually execute either utility. By default, the account with which you have logged on becomes the designated Exchange administrator. After you run ForestPrep, be sure to allow enough time for the schema extensions to replicate throughout all the domains and sub-domains in your organization. Depending on the geography of your organization and the speed of your network connections between Windows sites or domains, this could take some time.
The DomainPrep utility performs the Exchange setup tasks that require DomainAdmin permissions; it should be run by a member of the DomainAdmin group. You need to run DomainPrep once in each domain that contains an Exchange server and in any domain that hosts Exchange users. These are domains without Exchange servers but with mail enabled users.
Domainprep is necessary for the recipient update service RUS and to create the groups and permissions necessary for Exchange servers to read and modify user attributes. DomainPrep creates two new domain groups: Exchange Domain Servers a Windows global security group and Exchange Enterprise Servers a Windows domain local security group. DomainPrep creates this object on a per-domain basis, under the domain container.
The Exchange Domain Servers global security group contains the computer accounts of all Exchange servers in the domain. Though it is created by DomainPrep, the Exchange Domain Servers group is not populated until the actual installation of Exchange The Exchange Domain Servers group is necessary for the Recipient Update Service, which is needed in every domain of your Exchange organization.
This includes user domains, which do not contain Exchange servers but do have mail-enabled users. Recipient Update Service is used by Exchange to generate and update default and customized address lists and to process changes made to recipient policies. The Exchange Enterprise Servers group a domain local group type contains every Exchange Domain Servers group a domain local group type in your organization.
Before you install Exchange Server or Exchange Server even if you have earlier versions of Exchange installed in your organization , you need to prepare your Active Directory forest and its domains for the new version of Exchange. There are two ways to do this:. Let the Exchange Setup wizard do it for you : If you don't have a large Active Directory deployment, and you don't have a separate team that manages Active Directory, we recommend using the Setup wizard.
Your account needs to be a member of both the Schema Admins and Enterprise Admins security groups. For more information about how to use the Setup wizard, check out Install Exchange Mailbox servers using the Setup wizard. Follow the steps in this topic : If you have a large Active Directory deployment, or if a separate team manages Active Directory, this topic is for you.
Following the steps in this topic gives you much more control over each stage of preparation, and who can do each step. For example, Exchange administrators might not have the required permissions to extend the Active Directory schema. For details about what's happening when Active Directory is being prepared for Exchange, see What changes in Active Directory when Exchange is installed?
Estimated time to complete: minutes or more not including Active Directory replication , depending on organization size and the number of child domains.
The computer that you use for these procedures needs to meet the system requirements for Exchange. Exchange : Exchange Network and directory servers. The computer that you use for all procedures in this topic requires access to Setup. Having problems? Ask for help in the Exchange forums.
Visit the forums at: Exchange Server. If you don't have a separate team that manages your Active Directory schema, you can skip this step and go directly to Step 2: Prepare Active Directory. Printable Version. Login Message. Background: I want to move exchange to a new box and upgrade from to The current server was and upgrade from Exchange 5. We have 2 domain controllers at this site one of which is the current Exchange server , and 2 at remote sites all of which are Windows Please note that server and domain names have been amended for this posting.
The Problem: When I run Exchange setup. An error has occurred in the program Exchange Server Setup Progress. I was thinking about maybe trying to run dcpromo on the new server which is W2k3, transferring the roles to that and running exchange forestprep from there, but I don't want to dig myself a big hole I can't get out of, this is a production system.
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