tests/Test-CmClientErrors.ps1

function Test-CmClientErrors {
    [CmdletBinding()]
    [OutputType()]
    param (
        [parameter()][string] $TestName = "Clients with Errors",
        [parameter()][string] $TestGroup = "operation",
        [parameter()][string] $TestCategory = "CM",
        [parameter()][string] $Description = "Check for clients reporting errors",
        [parameter()][hashtable] $ScriptParams
    )
    try {
        $startTime = (Get-Date)
        [System.Collections.Generic.List[PSObject]]$tempdata = @() # for detailed test output to return if needed
        $stat   = "PASS" # do not change this
        $except = "WARNING"
        $msg    = "No issues found" # do not change this either
        $query  = "SELECT DISTINCT
stat.MachineName,
fcm.SiteCode,
stat.Component,
stat.MessageID,
stat.MessageType,
stat.Severity
FROM v_StatusMessage stat
INNER JOIN v_FullCollectionMembership_Valid fcm ON fcm.Name = stat.MachineName
WHERE stat.Time > DATEADD(dd,-CONVERT(INT,7),GETDATE()) and
stat.Severity=0xC0000000 AND stat.PerClient!=0 AND fcm.CollectionID = 'SMS00001'
ORDER BY stat.MachineName"

        $res = Get-CmSqlQueryResult -Query $query -Params $ScriptParams
        if ($res.Count -gt 0) {
            $stat = $except
            $msg  = "$($res.Count) clients have reported errors"
            $res | Foreach-Object {
                $tempdata.Add(
                    [pscustomobject]@{
                        ComputerName = $_.MachineName
                        Component = $_.Component
                        MessageID = $_.MessageID
                        MessageType = $_.MessageType
                        Severity = $_.Severity
                        SiteCode = $_.SiteCode
                    }
                )
            }
        }
    }
    catch {
        $stat = 'ERROR'
        $msg = $_.Exception.Message -join ';'
    }
    finally {
        Set-CmhOutputData
    }
}