cosmosdb.ps1

$sourceaccountname="https://name.documents.azure.com:443/"
$sourceaccountkey="<source account key>"
$sourcedatabase="<source database name>"

$targetaccountname="https://name.documents.azure.com:443/"
$targetaccountkey="<target account name>"
$targetdatabase="<target database name>"

$collectionstomigrate = @("collection1","collection2","collection3")
foreach ($collectionname in $collectionstomigrate)
{
Write-Host "Porcessing the collection $($collectionname)"
& c:\tools\dt-1.7\dt.exe /s:DocumentDB /s.ConnectionString:"AccountEndpoint=$sourceaccountname;AccountKey=$sourceaccountkey;Database=$sourcedatabase;" /s.Collection:$collectionname /t:DocumentDBBulk /t.ConnectionString:" AccountEndpoint=$targetaccountname;AccountKey=$targetaccountkey;Database=$targetdatabase;" /t.Collection:$collectionname /t.CollectionThroughput:1000  /t.UpdateExisting:true

}