When we talk about best practices for monitoring, this will typically include (SLA) Service Level Availability.  SLA is an important piece in your environment, as uptime and happy customers come with a high SLA.  There are some cases where IT Teams do work on demand.  On-demand work is outside of a standard change window, a scheduled change.  Typically this is outside configuration management tools, responsible to update software (applications/packages), machines, drivers, compliance settings, and more.  In the one-off, non-scheduled maintenance or recovery, try leveraging ‘SCOM Agent Maintenance’ PowerShell commands on SCOM agents.

SCOM Agent maintenance PowerShell commands

cd “C:\Program Files\Microsoft Monitoring Agent\Agent”

Import-module .\MaintenanceMode.dll

Start-SCOMAgentMaintenanceMode -Duration 10 -Reason PlannedOther

# Verify

# If messages show with current timestamp, Agent objects are in maintenance.

get-eventlog -LogName “Operations Manager” -newest 50 | ? { $_.Message -like “Suspending monitoring*”  } | ft TimeGenerated,Message -autosize

TimeGenerated        Message

————-        ——-

6/25/2020 8:37:57 AM Suspending monitoring for instance “modeldev” with id:”{F9E45AA4-7DF7-C1F1-70C9-5D76C9F2725C}” …

6/25/2020 8:37:57 AM Suspending monitoring for instance “C:” with id:”{ED00048A-7DDC-D4BE-901D-D64DA281B7C6}” as the…

6/25/2020 8:37:57 AM Suspending monitoring for instance “central_log” with id:”{EA619D69-D1CC-3B19-D93C-2E3FCD1409AE…

PS C:\Program Files\Microsoft Monitoring Agent\Agent> get-eventlog -LogName “Operations Manager” -newest 25 | ? { $_.Message -like “Resuming monitoring*”  } | ft TimeGenerated,Message -autosize

343998 Jun 25 08:50  Information HealthService          1073743040 Resuming monitoring for instance “modeldev” wit…

343997 Jun 25 08:50  Information HealthService          1073743040 Resuming monitoring for instance “C:” with id:”…

343996 Jun 25 08:50  Information HealthService          1073743040 Resuming monitoring for instance “central_log” …

343995 Jun 25 08:50  Information HealthService          1073743040 Resuming monitoring for instance “dnmll05s1.UNE…