Yes. However, it consumes another license if he was removed by automatic activation and the 28-day time limit is not yet up.
within 28 days | after 28 days | |
selecting Remove | user removed (license blocked) | user removed (license released) |
user can be re-enabled with Manual Activation Mode | yes (but an additional license is consumed) | yes |
user can be re-enabled with Automatic Activation Mode | no | yes |
See also: Editing user accounts and releasing ThinPrint licenses