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Deleting Workflows in SCOM 2012 with PowerShell

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This is a continuation of a Data Center Automation series of posts that I have been working on with Anders Bengtsson. Here are the first four posts in this series:

Creating Management Packs in SCOM 2012 with PowerShell
Creating Performance Collection Rules in SCOM 2012 with PowerShell
Creating Event Based Alerting Rules in SCOM 2012 with PowerShell
Enabling or Disabling Workflows in SCOM 2012 with PowerShell

This script is also included as an activity in the Operations Manager Admin Integration Pack.

Syntax:  

.\DeleteObject.ps1 –ManagementServer ‘om01.contoso.com’ –ManagementPackID ‘custom.example.test’ –MPObjectID ‘custom.example.test.rule.test1’

Parameters:

Name Description
ManagementServer Name of MS to connect to
ManagementPackID ID of the MP you want to modify
MPObjectID Rule, Monitor, Discovery, or Task that you want to delete (MP must be unsealed) 
  1 Param(            
 2     [parameter(Mandatory=$true)]            
 3     $ManagementServer,            
 4     [parameter(Mandatory=$true)]            
 5     $ManagementPackID,
 6     [parameter(Mandatory=$true)]
 7     $MPObjectID
 8     )
 9 
10 Write-Host "ManagementServer: "$ManagementServer
11 Write-Host "ManagementPackID: "$ManagementPackID
12 Write-Host "MPObjectID: "$MPObjectID
13 
14 Write-Host "Adding SCOM Snap-in"
15 Add-PSSnapin Microsoft.EnterpriseManagement.OperationsManager.Client
16 
17 Write-Host "Connecting to SCOM Management Group"
18 $ManagementServer = New-Object Microsoft.EnterpriseManagement.ManagementGroup($ManagementServer)
19 
20 Write-Host "Getting MP Information and Incrementing Version"
21 try
22 {
23   $MP = $ManagementServer.GetManagementPacks($ManagementPackID)[0]
24   $VIncrement = $MP.Version.ToString().Split('.')
25   $VIncrement[$VIncrement.Length - 1] = ([system.int32]::Parse($VIncrement[$VIncrement.Length - 1]) + 1).ToString()
26   $MP.Version = ([string]::Join(".", $VIncrement))
27 }
28 catch
29 {
30   Write-Host "MP Not Found, Exiting"
31   exit
32 }
33 
34 Write-Host "Getting MP Object"
35 $MPObject = $MP.FindManagementPackElementByName($MPObjectID)
36 
37 Write-Host "Deleting Object"
38 $MPObject.Status = [Microsoft.EnterpriseManagement.Configuration.ManagementPackElementStatus]::PendingDelete
39 
40 Write-Host "Writing Changes via SDK"
41 $MP.AcceptChanges()
42 
43 Write-Host "Script Completed"

DeleteObject.txt

Comments

  • Anonymous
    October 20, 2013
    Excellent work, that you! One thing that I've notices after I was deleting a rule, the StringResource and DisplayString from corresponding alert are still there Is there a way to remove these too?

  • Anonymous
    October 22, 2013
    Hello, Excelent work! I was testing this and I've noticed is not deleting StringResources and DisplayStrings. Thanks!

  • Anonymous
    November 14, 2013
    Hey Marius, I just did a quick test on this. I deleted a rule using the script that had opens alerts associated with it. The alerts went away and I don't find any trace of them in the database. Can you give me some more details on exactly where you're seeing this? Is it just in the MP when you export it? If that is the case then is it just an annoyance or is it actually causing a problem? I know, lots of questions but I just want to make sure I completely understand the question. Thanks, Russ