Users Guide
After the database retargeting is completed successfully, if required, you can delete the OpenManage Essentials database from the
system on which OpenManage Essentials is installed.
Installing OpenManage Essentials on a domain controller
When installing OpenManage Essentials on a domain controller, it is recommended that you install OpenManage Essentials with a
remote database. There are specic restrictions when running SQL Server on a domain controller, and considering the resources
demands of a domain controller, SQL Server performance may be degraded which will aect the performance of OpenManage
Essentials. For more information on the restrictions when running SQL Server on a domain controller, see the Microsoft Knowledge
Base article ID 2032911 at support.microsoft.com.
NOTE: For security reasons, it is recommended that you do not install SQL Server 2012 on a domain controller. SQL
Server Setup will not prevent you from installing SQL Server on a domain controller, however, the following limitations
apply:
• You cannot run SQL Server services on a domain controller under a local service account.
• After SQL Server is installed on a system, you cannot change the system from a domain member to a domain controller.
You must uninstall SQL Server before you change the host system to a domain controller
• SQL Server failover cluster instances are not supported where cluster nodes are domain controllers.
• SQL Server Setup cannot create security groups or provision SQL Server service accounts on a read-only domain
controller. In this scenario, Setup will fail.
When setting up OpenManage Essentials on a domain controller, ensure that the following prerequisites are met:
• Ensure that network communication between the system on which OpenManage Essentials is installed and the remote database
system is functional.
• Ensure that the SQL Server user has permission to backup, create, and congure databases.
• When using SQL Server authentication, ensure that SQL Server and Windows authentication mode is enabled within SQL
Server. See Enabling SQL Server Authentication and Windows Authentication in SQL Server
• Ensure that TCP/IP is enabled in SQL Server. See Verifying the SQL Server TCP/IP status.
After OpenManage Essentials is installed on a domain controller:
• By default, the Domain Admins group is added as a member of the OmeAdministrators and OmePowerUsers roles.
• Local Windows user groups are not included in the OpenManage Essentials roles. OmeAdministrators, OmePowerUsers, or
OmeUsers rights can be granted to users or user groups by adding them to the OpenManage Essentials Windows groups.
OmeSiteAdministrators rights can be granted by OmeAdministrators through the Device Group Permissions portal.
The following sections provide instructions to install and setup OpenManage Essentials on a domain controller with a remote or local
database.
Installing OpenManage Essentials on a domain controller with a remote database
Before you begin installing OpenManage Essentials on a domain controller, ensure that you are logged in to the domain controller
with administrator rights.
To install OpenManage Essentials on a domain controller with a remote database:
1. Extract the OpenManage Essentials installation package.
2. Double-click the Autorun.exe le available within the folder where you extracted the installation package.
The OpenManage Install window is displayed.
3. Select Dell EMC OpenManage Essentials and click Install.
The OpenManage Essentials Prerequisites window is displayed.
4. Click Install All Critical Prerequisites.
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