Generate a random Alphanumeric string in PowerShell.
function Get-RandomAlphanumericString
{
[CmdletBinding()]
Param ([int] $length = 8)
Begin {}
Process
{
Write-Output (-join ((0x30..0x39) + ( 0x41..0x5A) + ( 0x61..0x7A) | Get-Random -Count $length | % {[char]$_}))
}
}