Unsupported Features

March 11, 2026 11:28 AM

1 min read

Currently, the OData interface does not support the following terms. It will respond with a “501 Not Implemented” HTTP code if you use one of them:

$all resource path component
$crossjoin resource path component
POST request to reference ($ref) of collection navigation property
Asynchronous requests
Using number of related items as sorting criteria: http://host/server/odata/Part?$orderby=Part_CAD/$count
Asynchronous operations
Delta responses