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.…
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…
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. …
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…
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. …
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.
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…
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…
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://kevinholman.com/2017/05/09/scom-management-mp-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…
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…