As an account administrator, when modifying an SIS ID you may encounter the error message, “The SIS is already in use”. SIS IDs must be completely unique for the item type you are modifying. If a user has the SIS ID of “S0001”, then no other user can have that ID except the existing one.
If you are not a Canvas administrator for your school, you will want to contact one for assistance.
While the troubleshooting steps in this guide cover users specifically, the concepts apply for any item with an SIS ID.
Deleted items retain their SIS IDs until they are changed.
Confirm Active User
In Global Navigation, click the Admin link , and then go to the main account for your school .