How to discover and monitor a clustered application

  Monitoring clustered applications can be a little tricky. Clusters contains virtual, abstract objects, that could be hosted by one or more nodes.  We need to ensure we always monitor the clustered resource, no matter where it is running. We cannot simply target discovery and monitoring to the nodes, because by design the clustered resource…

0

Monitor an agent – but run response on a Management Server

  This is a concept that I have seen several examples of, but realize not everyone knows of this capability. You can create a rule, that targets a class hosted by an agent (such as Windows Server Operating System), but have a script response run on the Management Server to take action. Here is a…

9

UR6 for SCOM 2016 – Step by Step

    KB Article for OpsMgr:  https://support.microsoft.com/en-us/help/4459897/update-rollup-6-for-system-center-2016-operations-manager Download catalog site:  http://www.catalog.update.microsoft.com/Search.aspx?q=4459897 Updated UNIX/Linux Management Packs:  https://www.microsoft.com/en-us/download/details.aspx?id=29696 Recommended hotfix page:  https://blogs.technet.microsoft.com/kevinholman/2009/01/27/which-hotfixes-should-i-apply/   NOTE:  I get this question every time we release an update rollup:   ALL SCOM Update Rollups are CUMULATIVE.  This means you do not need to apply them in order, you can always just apply…

10

Adjusting Alert Storm thresholds on SCOM Agents

  One of the features that has existed since SCOM 2007R2, is the ability to adjust Alert Storm thresholds on an agent by agent basis.  The default is any agent that generates 50 alerts, in a 60 second window – will auto-disable that workflow for 10 minutes to control alert storms. All of this activity…

0

Recovering a SCOM management server

  It should be a rare occurrence to completely lose a SCOM Management server.  Normally you would restore from a backup, or recover a VM snapshot in order to quickly recover a lost/damaged/corrupted SCOM MS. However, in the case this does happen, you have options. The biggest challenge in recovering a SCOM Management Server, is…

5

Comparing Product Connector Subscriptions to Email Notification Subscriptions

  Many years ago – SCOM was updated to have better granular control over Notification Subscriptions in the UI.  We saw many improvements using controls based on group, class, specific rule or monitor, along with other criteria:   However – the Product Connector subscription wizard was never updated.      This is unfortunate, because both…

0

How to determine if your agents are firewalled from specific Management Servers

  Had an interesting request – Customer is migrating agents from a complex environment into new management groups.  Before they did this – they wanted to ensure that agents were not firewalled off from the new management servers.  This can be a monumental task in large environments, especially with unique gateway and firewall deployments.  …

5

Testing to see if a port is open to a SCOM server when you don’t have Portqry or Telnet

  Something that I run across a lot in helping clients test connectivity issues in firewalled environments, is “is there a firewall blocking port 5723 traffic?” In the past we would use tools like Telnet, or Portqry to test port connectivity, but often this is not installed and not easily available.  Luckily, we always have…

3

Awesome new transform tool available for testing SCOM scripts from MP’s

  A new tool is available to quickly help you test scripts out of SCOM management packs.   https://www.scom2k7.com/quickly-fix-scom-scripts-from-exported-management-packs-with-transform-tool/   This will remove or “unescape” the special characters that are not allowed in XML, back to the original characters so the script can be run, quick and simple.      

1

Get All SCOM Rules and Monitors, with their Alert details to a CSV

  Quick Download: https://gallery.technet.microsoft.com/Get-All-SCOM-Rules-853ecfde   This is a script that will generate a list of all Rule and Monitors in a SCOM deployment. It will also gather important information, like if the workflows generates an alert or not, and the details of the alert like default priority and severity. Rules: DisplayName (of the rule) Name…

3

Assigning Gateways and Agents to Management Servers using PowerShell

  Just publishing some common PowerShell agent and Gateway assignment commands I use on a frequent basis for SCOM:   A common issue I find in customer environments, is that they do not set their agents to be able to fail over to multiple Gateways, or they do not set their Gateway servers to be…

1

MP Update: Windows Server 2016 MP version 10.0.21.0

  Quick download:  https://www.microsoft.com/en-us/download/details.aspx?id=54303 This MP contains several updates and fixes, depending on what version you are currently running.   1.  Time Sync Monitoring The MP contains a relatively new monitor for Time Accuracy: This monitor was very noisy in previous versions of this MP.  Changes made:  This now ships disabled out of the box. …

1

How to multihome a large number of agents in SCOM

  Quick download:  https://gallery.technet.microsoft.com/SCOM-MultiHome-management-557aba93   I have written solutions that include tasks to add and remove management group assignments to SCOM agents before: https://blogs.technet.microsoft.com/kevinholman/2017/05/09/agent-management-pack-making-a-scom-admins-life-a-little-easier/   But, what if you are doing a side by side SCOM migration to a new management group, and you have thousands of agents to move?  There are a lot of…

12

Implementing TLS 1.2 enforcement with SCOM

    Quicklinks:  Download Script  Download Management Pack   This is a requirement that I see is picking up steam with customers.  Customers are getting told by their security teams that they need to support their application and database servers using TLS 1.2 only, and no previous protocols enabled for SCHANNEL communications.   The good…

2

Deleting and Purging data from the SCOM Database

    First, I have to begin with a disclaimer – Microsoft does not support customers manually editing the database, unless under the guidance of a Microsoft support engineer with a support case. However, I have seen several blogs now “leaking” this guidance I send out or use from time to time…. so it is…

4

UR5 for SCOM 2016 – Step by Step

  KB Article for OpsMgr:  https://support.microsoft.com/en-us/help/4090987/update-rollup-5-for-system-center-2016-operations-manager Download catalog site:  http://www.catalog.update.microsoft.com/Search.aspx?q=4090987 Updated UNIX/Linux Management Packs:  https://www.microsoft.com/en-us/download/details.aspx?id=29696 Recommended hotfix page:  https://blogs.technet.microsoft.com/kevinholman/2009/01/27/which-hotfixes-should-i-apply/     NOTE:  I get this question every time we release an update rollup:   ALL SCOM Update Rollups are CUMULATIVE.  This means you do not need to apply them in order, you can always just apply…

10

Monitoring AD Certificate Services on Windows Server 2012 R2 and Windows Server 2016

  We have management packs for Active Directory Certificate Services on Windows 2012R2 and Windows 2016.  WS 2012 and 2012R2:  https://www.microsoft.com/en-us/download/details.aspx?id=34765 WS 2016:  https://www.microsoft.com/en-us/download/details.aspx?id=56671   However, there is an issue with the recently released ADCS MP for WS 2016.  A change was made in the library MP which modified some class property names.  This breaks…

2

What versions of SCOM can be upgraded to Operations Manager 1801?

    If you would like to move your SCOM deployment on to the Semi-Annual Channel, what versions does Microsoft support moving from? The answer is here:  https://docs.microsoft.com/en-us/system-center/scom/plan-system-requirements?view=sc-om-1801#supported-coexistence   There are two methods to get to SCOM 1801: Migration (parallel install with coexistence) In Place Upgrade Both are supported.   System Center Operations Manager 1801…

6

Operations Manager 1801 – Quickstart Deployment Guide

  There is already a very good deployment guide posted on Microsoft Docs here:   https://docs.microsoft.com/en-us/system-center/scom/deploy-overview?view=sc-om-1801   The following article will cover a basic install of System Center Operations Manager 1801.   The concept is to perform a limited deployment of OpsMgr, only utilizing as few servers as possible, but enough to demonstrate the roles and capabilities. …

10

Operations Manager 1801 is available!

    This is a major change from all previous versions of SCOM.  Operations Manager 1801 is the first release of SCOM built on the Semi-Annual Channel release cycle.  All new features and updates will now be delivered in this Semi-Annual Channel (SAC), following the same Semi-Annual release cycle that Windows Server is using.   …

0