Yes, that is all correct. Before i did the recompose i tested 6 machines which worked fine before i did the whole group.
To try and save some users data i did a test in the pool by detaching the user disk and recreating the machine. The detach was successful. While trying to provision the machines the following happened:
Before the status was provisioning but was stuck. No machine was created. This is the state after trying to stop/remove the machine. While trying to provision