Community Tip - When posting, your subject should be specific and summarize your question. Here are some additional tips on asking a great question. X
How many components can you restructure from the same assembly level at the same time?
I don't believe there is a specific number of components that can be restructured. Usually problems occur with a parent-child relationship and that stops a restructure from working. The more components you select, the more likely you are to have reference problems that stop the restructure.