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Extending Windows Computer class from a SQL CMDB in SCOM

Years ago – I wrote a post on customizing the “Windows Computer” class, showing how to use registry keys to add properties to the “Windows Computer” class, to make creating custom groups much simpler.  You can read about the details of how and why here: https://kevinholman.com/2009/06/10/creating-custom-dynamic-computer-groups-based-on-registry-keys-on-agents/ I later updated that…

Extending Windows Computer class from a CSV file in SCOM

Years ago – I wrote a post on customizing the “Windows Computer” class, showing how to use registry keys to add properties to the “Windows Computer” class, to make creating custom groups much simpler.  You can read about the details of how and why here:  https://kevinholman.com/2009/06/10/creating-custom-dynamic-computer-groups-based-on-registry-keys-on-agents/ I later updated that…

Understanding SCOM Resource Pools

    Resource pools are nothing new – they were introduced in SCOM 2012 RTM, for two reasons: 1.  To remove the single-point-of-failure that was the RMS role in SCOM 2007. 2.  To provide a mechanism for high availability of agentless/remote workflows, such as Unix/Linux, Network, and URL monitoring, among…

Installing the Exchange 2010 Correlation Engine on a Non-Management Server and without a console

These is an issue with the current Exchange 2010 Correlation Engine – which causes it to fail on SCOM 2012 or 2016 Management Servers.  Jimmy wrote about these here: https://blogs.technet.microsoft.com/jimmyharper/2015/04/15/exchange-2010-correlation-engine-not-generating-alerts/   So one remedy to this – is to install the Correlation Engine (CE) on a non-management server role.  Either…

SCOM SQL queries

This is a list of queries that I know many people find helpful in report writing or understanding the SCOM DB schema’s to get useful info. These queries work for SCOM 2012 and SCOM 2016. Updated 4/25/2018     Large Table query.  (I am putting this at the top, because…

Monitoring UNIX/Linux with OpsMgr 2016

  Microsoft started including Unix and Linux monitoring in OpsMgr directly in OpsMgr 2007 R2, which shipped in 2009.  Some significant updates have been made to this for OpsMgr 2012.  Primarily these updates are around: Highly available Monitoring via Resource Pools Sudo elevation support for using a low priv account…