Users able to log into PCs after account deletion

Question

Management recently rehired some users. Prior to IT reactivating their accounts, they were able to log into Azure AD joined PCs using their previous accounts and passwords. I have confirmed they are deleted in AAD Users. They are NOT able to log into email or other apps, but are able to access PC.

We have disabled cached login via Registry, but the issue seems to persist.

We do use AADDS, but in the Admin center, their accounts show to have been deleted.

Answer 1

If they are able to log into the PCs then the accounts may still exist locally, in which case you would still need to delete the users from the local Active Directory.

Also, if the accounts were only recently deleted they might not be entirely gone.