UploadProcess_All.ps1

# Server and Project configs.
$CollectionUrl = "https://[TEAM FOUNDATION SERVER]/[PROJECT COLLECTION]"
$projects = ("[PROJECT 1]", "PROJECT 2")

# Work Item Locations
$baseLocation = Split-Path -parent $PSCommandPath
$witdLocation = $baseLocation + "\Core.Process\WorkItem Tracking\TypeDefinitions"

# Admin Import Command
$WitAdmin = "${env:ProgramFiles(x86)}\Microsoft Visual Studio 12.0\Common7\IDE\witadmin.exe"

Write-Output "- Config ----------------------------------------"

Write-Output "Projects:      $projects"
Write-Output "Base Location: $baseLocation"
Write-Output "WITD Location: $witdLocation"
Write-Output "CollectionUrl: $CollectionUrl"
Write-Output "WitAdmin:      $WitAdmin"

Write-Output "- Start -----------------------------------------"

# Loop all projects.
foreach ($project in $projects)
{
    Write-Output "  - $project -----------------------"

    # Select all Work Item Template xml files.
    $items = Get-ChildItem *.xml -Path $witdLocation
    $itemsFound = $items.Length
    Write-Output "Importing Work Item Templates, found $itemsFound"

    # Loop all Work Item Templates found and import them to the project.
    foreach ($item in $items)
    {
        $witd = $item.FullName
        Write-Output "    Importing Work Item Type: $witd"
        & $WitAdmin importwitd /collection:$CollectionUrl /p:$project /f:"$witd"
    }

    # Import Categories
    Write-Output "    Importing Categories..."
    & $WitAdmin importcategories /collection:$CollectionUrl /p:$project /f:"$baseLocation\Core.Process\WorkItem Tracking\categories.xml"

    # Import Categories
    Write-Output "    Importing Process Config..."
    & $WitAdmin importprocessconfig /collection:$CollectionUrl /p:$project /f:"$baseLocation\Core.Process\WorkItem Tracking\Process\ProcessConfiguration.xml"
}

Write-Output "- End -------------------------------------------"