Function – Check if Citrix Server is Online

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function ServerOnline {
	Param(
	[Parameter(Mandatory=$true,ValueFromPipeline=$true,ValueFromPipelineByPropertyName=$true,HelpMessage="Enter the Computer name or IP address")]
	[Alias('Hostname','Computer')]
	[string[]]$server
	)
	#add the Xen App Commands powershell Snapin
 
	if (-not(Get-PSSnapin "Citrix.Xenapp.Commands" -ErrorAction Silentlycontinue)) {
		try {
		        Add-PSSnapin "Citrix.Xenapp.Commands" -ErrorAction Stop 
		} catch {
			Write-Warning "The Citrix Xen App Commands snapin failed to install. Check that this server has the snapin installed and try again. `nError Message: $_"
		}
	}			
 
        try {
		$serverload = get-xaserverload -ServerName $server -ErrorAction SilentlyContinue
		if ($serverload) {
			$true
		}
	} catch {
		Write-Warning "Could not retreive serverload for $server. `nError Message: $_"
	}
}

function ServerOnline { Param( [Parameter(Mandatory=$true,ValueFromPipeline=$true,ValueFromPipelineByPropertyName=$true,HelpMessage="Enter the Computer name or IP address")] [Alias('Hostname','Computer')] [string[]]$server ) #add the Xen App Commands powershell Snapin if (-not(Get-PSSnapin "Citrix.Xenapp.Commands" -ErrorAction Silentlycontinue)) { try { Add-PSSnapin "Citrix.Xenapp.Commands" -ErrorAction Stop } catch { Write-Warning "The Citrix Xen App Commands snapin failed to install. Check that this server has the snapin installed and try again. `nError Message: $_" } } try { $serverload = get-xaserverload -ServerName $server -ErrorAction SilentlyContinue if ($serverload) { $true } } catch { Write-Warning "Could not retreive serverload for $server. `nError Message: $_" } }