Importing posts from old website to new conflicting post ID’s?
I can confirm that the imported post will get a new unique ID if (and only if) there already is an existing/conflicting ID in the target database. Given a post to be imported with an ID of 7579 (represented in the WXR export file as <wp:post_id>7579</wp:post_id>) and an existing post with that exact same ID … Read more