$Source = "C:Downloadsmyfile.txt"
$Dest = "10.149.12.162c$skumar"
$Username = "administrator"
$Password = ConvertTo-SecureString "Complex_Passw0rd" -AsPlainText -Force
$mycreds = New-Object System.Management.Automation.PSCredential($Username, $Password)
New-PSDrive -Name J -PSProvider FileSystem -Root $Dest -Credential $mycreds -Persist
Copy-Item -Path $Source -Destination "J:myfile.txt"