ALTER USER ... WITH LOGIN runs only when the user's SID is not the login's, so an already-mapped user is left alone. The provisioner enables a mailbox through its own method; the password tool an operator uses keeps changing the password only.
ALTER USER ... WITH LOGIN runs only when the user's SID is not the login's, so an already-mapped user is left alone. The provisioner enables a mailbox through its own method; the password tool an operator uses keeps changing the password only.