I encounted an issue using the latest version of CleanWipe. Upon trying to remove client version 12.4112.4156 I received a popup stating the following:
A new version has just been made available for the latest version of SEP. Support can get it to you if you contact them.
Hi,
For SEP 12.1 RU4 MP1b there is a new cleanwipe tool.
Conact Symantec chat support here & they can help you out.
http://www.symantec.com/business/support/index?page=contactsupport&key=54619