How to use the MIB2 System Name for a device in SCOM 2012

15. July 2012 20:54 by Jonathan Horner in Jonathan Horner, SCOM 2012  //  Tags:   //   Comments (0)

Network discovery in Operations Manager 2012 has dramatically changed and there are some interesting configuration settings that can be changed. This blog article is to describe just one of them, but hopefully it will persuade you to experiment if discovery does not do exactly what you want.

In this example, I want to display the MIB2 System Name instead of the default name that gets assigned during standard discovery.

Default Name for Network Devices

When you discover a device in SCOM 2012, you get lots more information discovered and by default the Name field is set to the IP address or DNS name. In the example below I have discovered a CentOS box, but the same principles apply for all network devices.

Discovery Configuration Settings

The configuration file for the discovery configuration settings is stored in the file discovery.conf in the folder C:\Program Files\System Center 2012\Operations Manager\Server\NetworkMonitoring\conf\discovery. In this file are several settings, all of which are described quite clearly. The important one for this example is the DisplayFormatName setting.

If you change any of the settings in this file, you will need to restart the System Center Management service on the network discovery server for this to take effect. You will also need to rediscover the device.

MIB2 system name enabled

After the discovery has completed the Name field is updated as you can see below.


This is just one example of the settings that you can modify in the discovery.conf file. I would encourage you to take a look if you find that the default discovery settings are not right for you.

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