Dell EMC OpenManage Essentials Version 2.5 User's Guide

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 specific 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 affect 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:
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.


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