CheckDB

$DBName = $wfcatalog
([string]$sqlServer, [string]$DBName)
$wfexists = $FALSE
try
{
    $conn = New-Object system.Data.SqlClient.SqlConnection
    $conn.connectionstring = [string]::format("Server={0};Database={1};Integrated Security=SSPI;",$sqlServer,$DBName)
    $conn.open()
    $wfexists = $true
}
    catch
{
        Write-Log -type Info "DB $DBNAME on $sqlServer does not exist continuing with install"
}