Functions/Start-ExPerfwiz.ps1

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Function Start-ExPerfwiz {
    <#
 
    .SYNOPSIS
    Starts a data collector set
 
    .DESCRIPTION
    Starts a data collector set on the local server or a remote server.
 
    .PARAMETER Name
    The Name of the Data Collector set to start
 
    Default Exchange_Perfwiz
 
    .PARAMETER Server
    Name of the remote server to start the data collector set on.
 
    Default LocalHost
 
    .OUTPUTS
     Logs all activity into $env:LOCALAPPDATA\ExPefwiz.log file
 
    .EXAMPLE
    Start the default data collector set on this server.
 
    Start-ExPerfwiz
 
    .EXAMPLE
    Start a collector set on another server.
 
    Start-ExPerfwiz -Name "My Collector Set" -Server RemoteServer-01
 
    #>

    [cmdletbinding()]
    param (
        [string]
        $Name = "Exchange_Perfwiz",

        [string]
        $Server = $env:ComputerName
    )

    Write-Logfile -string ("Starting ExPerfwiz: " + $Server)

    # Check if we have an error and throw and error if needed.
    $i = 0
    $repeat = $false
    do {
        # Start the experfwiz counter set
        [string]$logman = logman start -name $Name -s $Server

        # We know "unable to create the specified log file" can be worked around by incrementing the size and trying again
        # so incrementing the size and trying again.
        if ($logman | select-string "Unable to create the specified log file"){
            Write-Warning "Starting Experfwiz Failed ... Incrementing size and trying again. [Attempt $i/3]"
            Write-Logfile "Retrying Start-Experfwiz"
            Step-ExPerfwizSize -Name $Name -Server $Server
            $i++
            $repeat = $true
        }
        else {$repeat=$false}
    # Repeat up to three times
    } while ($repeat -and ($i -lt 3))

    # If we have an error then we need to throw else continue
    If ($logman | select-string "Error:") {
        Write-Logfile "[ERROR] - Unable to Start Collector"
        Write-Logfile $logman
        Throw $logman        
    }
    else {
        Write-Logfile "ExPerfwiz Started"
    }
}