When you delete a user, the groups that the user belongs to will not be deleted.
When you try to delete a user, the following scenarios prevent the deletion:
•You are deleting your own user account.
•The user is a Process Manager in a route or an approval process in any status (pending, completed, and so on).
•The user is an approver in an approval process in any status (pending, completed, and so on).
•The user is the last member of a group that has a Process Manager role in an approval rule.
When you delete a user, the following associated data gets deleted:
•All rights assigned in the Rights, Categories, and Tools tabs of the account.
•Group Membership information.
•Record-level Security tab settings for the user.
•Project assignment entries where this user was selected.
•Password history.
•Home Page copies created for this user.
•History records.