Users Guide

NOTE: The password for the typical install, auto generated SQL Server login account, is controlled by the
application and different on every system.
For the highest level of security, it is recommended that you use a domain service account that is specified during
custom installation for SQL Server.
At runtime, when the OpenManage Essentials website determines that it has an invalid certificate or certificate binding;
the self-signed certificate is regenerated.
Related Links
Minimum Login Roles for Microsoft SQL Server
Database Size, Network Bandwidth, and Scalability
The following table provides information about the changes to the database size in an environment with 2000 devices
based on alerts, tasks, and alert actions.
Events Database Size
Initial database size 47.5 MB
After discovery and inventory of 2000 devices 48.5 MB
After 2000 alerts are generated 53.5 MB
After tasks (status polling, OpenManage Server
Administrator deployment tasks, remote tasks, and system
update tasks) against these alerts are executed
54.5 MB
After deleting all the alerts and sending 20000 alerts with
all the alert actions configured
97.2 MB
During the daily maintenance, OpenManage Essentials compresses and optimizes the database. OpenManage
Essentials also downloads updates for managed servers. These updates are saved in the local file system (not in the
database) where OpenManage Essentials is installed.
The minimal network bandwidth required for OpenManage Essentials to work in a WAN environment is 40 Mbps.
NOTE: For more information, see the
OpenManage Essentials Scalability and Performance
technical white paper at
DellTechCenter.com/OME.
Minimum Login Roles for Microsoft SQL Server
The following table provides information about the minimum permissions for SQL Server based on different installation
and upgrade use cases.
Number Use Case Minimum Login Roles for SQL Server
1 Installing OpenManage Essentials for the first time
and you select the Typical option during the
installation process.
sysadmin access on the installed instance.
2 Installing OpenManage Essentials for the first time,
you select the Custom option during the installation
process and an empty OpenManage Essentials
database is present (locally or remotely).
db_owner access on the OpenManage Essentials
database.
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