public/Clear-SCOMHealthCache.ps1
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function Clear-SCOMHealthCache { Param ( [Parameter(ValueFromPipeline=$true)] $ComputerName, [System.Management.Automation.PSCredential] $Credential ) ## Connect to the server $scriptblock = { ## Stop the Microsoft Monitoring Agent service $service = Get-Service -Name HealthService $oldfoldername = "Health Service State old" $agentpath = "C:\Program Files\Microsoft Monitoring Agent\Agent\" $healthpath = Join-Path $agentpath "Health Service State" $healthpathold = Join-Path $agentpath $oldfoldername $pathexists = $null Write-Host "[ $env:COMPUTERNAME ] 1. Stopping the Monitoring Agent service..." Stop-Service $Service Write-Host "[ $env:COMPUTERNAME ] 2. Checking the Monitoring Agent service status:" Write-Host "[ $env:COMPUTERNAME ] Monitoring Agent service status: "-nonewline; Write-Host $Service.Status -Fore Red Start-Sleep -s 3 ## Rename "C:\Program Files\Microsoft Monitoring Agent\Agent\Health Service State" to "C:\Program Files\Microsoft Monitoring Agent\Agent\Health Service State.old" Write-Host "[ $env:COMPUTERNAME ] 3. Renaming the existing 'Health Service State' folder to 'Health Service State Old' " Rename-Item -Path $healthpath -NewName $oldfoldername -Force ## Start the Microsoft Monitoring Agent service Write-Host "[ $env:COMPUTERNAME ] 4. Starting the Monitoring Agent service..." Start-Service $Service Start-Sleep -s 3 Write-Host "[ $env:COMPUTERNAME ] 5. Checking the Monitoring Agent service status:" Write-Host "[ $env:COMPUTERNAME ] Monitoring Agent service status: "-nonewline; Write-Host $Service.Status -Fore Green ## Validate new "C:\Program Files\Microsoft Monitoring Agent\Agent\Health Service State" folder was created Write-Host "[ $env:COMPUTERNAME ] 6. Validating new Health Server State folder exists." $pathexists = Test-Path $healthpath if ($pathexists){ ## Delete "C:\Program Files\Microsoft Monitoring Agent\Agent\Health Service State.old" Write-Host "[ $env:COMPUTERNAME ] 7. Removing the 'Health Service State Old' folder." Remove-Item -Path $healthpathold -Recurse -Force Write-Host "[ $env:COMPUTERNAME ] 8. Done!" } else { Write-Error "[ $env:COMPUTERNAME ] 7. New 'Health Service State' folder doesn't exist." Return } } ## end script block #Execute Scriptblock on Computername(s) with set parameters. $params = @{ ScriptBlock = $scriptblock } if ($ComputerName){ $params['ComputerName'] = $ComputerName } if ($Credential){ $params['Credential'] = $Credential } Invoke-Command @params } |